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USDA Zone 5A

Zone 5A Planting Calendar — May 7 to October 4

Zone 5a endures hard winters, with minimum temperatures dropping to -20°F. Gardeners work within a compact growing window bracketed by a late-spring last frost and an early-autumn first frost. The short season rewards careful timing — starting warm-season transplants indoors 8–10 weeks before last frost is essential.

Zone 5A at a glance: Last frost averages May 7 (range April 23 to May 21). First fall frost averages October 4. That is a frost-free span of about 147 days. Start warm-season crops indoors 6–10 weeks before last frost; transplant after May 7.
Last Spring Frost
May 7
range April 23 to May 21
First Fall Frost
October 4
Range: Sep 20 – Oct 17
Growing Season
147 days
Frost-free days between the dates above
Winter Low
-20° to -15°F
Average minimum temp
Reference City
Des Moines, IA
Climate data source
Annual Rainfall
36"
Regular pattern

NOAA Frost Probability for Zone 5A

Computed across 2,257 ZIP codes in Zone 5A · Composite generated Aug 12, 2026 | NOAA NCEI 1991-2020 Climate Normals (released 2021) | Threshold: minimum temperature at or below 32°F (NCEI element TMIN-PRBLST-T32F) — some crops are damaged above 32°F too, depending on duration, humidity, wind, and crop sensitivity
In Zone 5A, the last spring frost most likely lands on May 7. There's a 10% chance it could happen as late as May 21, and a 10% chance it's already done by April 23. These probabilities come from NOAA's 1991–2020 climate normals, weighted across every NOAA station serving the 2,257 ZIP codes in Zone 5A.
Earliest (10% by)
Apr 23
10% chance frost is done by this date
Typical (50% by)
May 7
50% chance frost is done by this date
Latest (90% by)
May 21
90% chance frost is done by this date
Zone 5A last-frost probability curve Cumulative probability curve showing the likelihood that the last spring frost has occurred by each date in Zone 5A. P10 (10% probability) is April 23, P50 (50%, the median) is May 7, P90 (90%) is May 21. Source: NOAA NCEI 1991-2020 Climate Normals. 0% 25% 50% 75% 100% Apr 3 Apr 14 Apr 26 May 7 May 18 May 30 Jun 10 Probability (%) Date P10: Apr 23 P50: May 7 P90: May 21

Swipe the chart to see the full date range

How we calculate this

NOAA provides station-level Climate Normals. NOAA's National Centers for Environmental Information (NCEI) records daily minimum temperatures at thousands of U.S. weather stations and publishes, for each station, the probability that the last spring frost has occurred by each calendar date — based on 30 years of observations (1991–2020). These per-station probability percentiles are the primary data.

SoilStack aggregates those station-level normals into a per-USDA-zone composite. For each ZIP code in Zone 5A, we identify nearby NOAA stations, weight each station's contribution by inverse-distance squared to the ZIP centroid, build a per-ZIP composite from those weighted station percentiles, and then aggregate every per-ZIP composite in the zone into a single zone-level composite using a weighted circular mean for dates and a weighted arithmetic mean for numeric values like growing-season length.

For Zone 5A specifically, this composite was aggregated across 2,257 contributing ZIP codes (of 2,393 total ZIP codes assigned to this zone in the USDA 2023 Plant Hardiness Zone Map).

Read the full methodology

Data sources

NOAA NCEI 1991–2020 U.S. Annual/Seasonal Climate Normals — the authoritative U.S. climatological dataset, released by NOAA in 2021 and covering frost-date probabilities at six temperature thresholds and nine probability percentiles for thousands of stations nationwide. Dataset identifier: gov.noaa.ncdc:C01619.

Methodology paper: Palecki, M., Durre, I., Applequist, S., Arguez, A., Lawrimore, J. (2021). U.S. Climate Normals 2020: U.S. Annual/Seasonal Climate Normals (1991–2020). NOAA National Centers for Environmental Information.

Station ↔ ZIP crosswalk: built from NOAA’s GHCN station inventory and the U.S. Census Bureau 2024 ZCTA Gazetteer (public domain) using great-circle distance with inverse-distance-squared weighting.

Live freeze outlook: National Weather Service (NWS) public forecast API, for the location of a ZIP you enter. Used only within about 7 days of a forecast freeze, the range an NWS point forecast reaches; without a ZIP, or outside that window, the chart shows the NOAA climate normal alone.

View the NOAA NCEI dataset

How to read this chart

The curve shows the cumulative probability that the last spring frost has occurred by each date. It rises from 0% (no chance frost is done that early) to 100% (essentially certain frost has occurred by that late date).

Three reference points are highlighted:

  • P10 (Apr 23) — the earliest date by which there’s a 10% chance the last frost is already done. Gardeners willing to take risk on early planting anchor decisions here.
  • P50 (May 7) — the median. Half of historical years had their last frost on or before this date. This is the “Typical” reference.
  • P90 (May 21) — the date by which there’s a 90% chance frost is done. Risk-averse gardeners planting frost-sensitive crops use this date as their go-ahead signal.

For most warm-season crops (tomatoes, peppers, basil, beans), waiting until the P50 to P90 window is the conservative call. Hardier crops can go in around P10.

The typical last-frost line. The P50 marker is the climate-normal center — the median last-frost date from 30 years of NOAA data. If you enter your ZIP and a freeze is within the 7-day National Weather Service window, a separate marker shows that forecast freeze for your location. A forecast freeze is not necessarily the season’s last: later freezes remain possible.

Limitations

Climate normals plus a short-range forecast blend. The probability curve reflects the climatological baseline from 1991–2020: what’s likely in a typical year. The optional freeze outlook adds the live NWS forecast for your ZIP when a freeze is within about 7 days, the range where a genuine point forecast exists. Without a ZIP, or beyond that horizon, the chart stays on the climate normal, because no forecast can reliably see further out. An early warm spell does not move the estimate earlier on its own, since last frost dates do not reliably track spring warmth.

Microclimate variation. A zone composite represents the weighted average across hundreds of stations. Your specific ZIP may run several days warmer or cooler than the zone average due to elevation, water proximity, urban heat island, or local topography.

Station density. Zone 5A has dense NOAA station coverage. Some zones with sparser ZIP-level coverage (Alaska, parts of the desert Southwest) rely on fewer mapped ZIPs and should be interpreted with slightly more caution.

Data refresh cycle. NOAA releases new Climate Normals on a 10-year cycle. The current 1991–2020 dataset will be superseded by the 2001–2030 release expected in 2031.

Data source: NOAA NCEI U.S. Annual/Seasonal Climate Normals (1991-2020). Dataset ID gov.noaa.ncdc:C01619. Methodology: Palecki et al. (2021). License: NOAA NODD (public domain, no endorsement).

First Fall Frost for Zone 5A

Data current as of Aug 12, 2026
In Zone 5A, the first fall frost most likely arrives on October 4, 2027. There's a 10% chance it comes as early as September 20, and a 10% chance it holds off until October 17. These probabilities come from NOAA's 1991–2020 climate normals, weighted across every NOAA station serving the 2,257 ZIP codes in Zone 5A.
Earliest (10% by)
Sep 20
10% chance frost has arrived by this date
Typical (50% by)
Oct 4
50% chance frost has arrived by this date
Latest (90% by)
Oct 17
90% chance frost has arrived by this date

Planning ahead

The typical first fall frost is around October 4 in Zone 5A, somewhere between September 20 and October 17. That is the climate-normal center from 30 years of NOAA data. Enter your ZIP above for a forecast tied to your location when a freeze is within the 7-day window.

Zone 5A Planting Calendar — All Crops

Dates based on May 7 average last frost. Start indoors dates assume seed starting under grow lights or in a warm window. All dates are averages — adjust based on your specific microclimate and the current year's weather.

Plant Type Start Indoors Transplant / Direct Sow Harvest Window
A
Abe Lincoln Tomatoes tomato Apr 2 May 21 Transplant Aug 9 – Aug 19
AC Wendy Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Ace 55 Tomatoes tomato Apr 2 May 21 Transplant Aug 9 – Aug 14
Adams Elderberry berry — May 7 Plant Out Perennial — see plant page
Adirondack Blue Potato root vegetable — May 14 Direct Sow Aug 9
African Flake Daisy Flowers flower — May 7 Direct Sow Aug 5 – Aug 15
Aji Amarillo Peppers pepper Mar 19 May 21 Transplant Aug 19 – Sep 18
Aji Dulce Peppers pepper Mar 19 May 21 Transplant Aug 19 – Sep 8
Alaska Early Pea legume — May 14 Direct Sow Jul 10
Alaska Early Pea (fall planting) legume — Jul 25 Direct Sow Sep 20
Alaska Mix Nasturtium Flowers flower — May 7 Direct Sow Jul 1 – Jul 11
Albion Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Alexandria Alpine Strawberry berry Feb 26 May 14 Transplant Perennial — see plant page
Alfalfa Cover Crop cover crop — Apr 30 Direct Sow Perennial — see plant page
All Season Cabbage brassica Mar 19 Apr 23 Transplant Jul 2 – Jul 12
All Season Cabbage (fall planting) brassica — Jul 25 Direct Sow Oct 13
All Sorts Surprise Mix Sunflowers flower — May 14 Direct Sow Jul 23 – Aug 22
All Sweet Watermelon melon — May 21 Direct Sow Aug 19 – Aug 24
All Year Round Cauliflower brassica Mar 19 Apr 23 Transplant Jun 27
All Year Round Cauliflower (fall planting) brassica — Jul 25 Direct Sow Sep 28
All Year Round Lettuce lettuce — Apr 7 Direct Sow Jun 10 – Jun 19
All Year Round Lettuce (fall planting) lettuce — Jul 25 Direct Sow Oct 6
Allstar Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Amarillo Oro Melon melon — May 21 Direct Sow Aug 19
Amarillo Yellow Carrots root vegetable — May 14 Direct Sow Jul 28
Amarillo Yellow Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 8
America Spinach lettuce — Apr 7 Direct Sow May 20 – Jun 1
America Spinach (fall planting) lettuce — Jul 25 Direct Sow Sep 18
American Purple Top Rutabaga root vegetable — May 14 Direct Sow Aug 7 – Aug 22
Amish Paste Tomatoes tomato Apr 2 May 21 Transplant Aug 3 – Aug 14
Anaheim Peppers pepper Mar 19 May 21 Transplant Aug 6 – Aug 14
Ancho Grande Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Angelica herb Mar 5 May 7 Transplant Jul 26 – Aug 5
Anise herb — May 14 Direct Sow Aug 22 – Sep 11
Anise hyssop leaves and flowers flower — May 7 Direct Sow Perennial — see plant page
Anna Russian Tomatoes tomato Apr 2 May 21 Transplant Jul 30
Armenian Cucumber cucumber — May 14 Direct Sow Jul 13 – Jul 23
Arroyo Lupine Flowers flower — May 7 Direct Sow Jul 31 – Aug 20
Ashley Cucumber cucumber — May 14 Direct Sow Jul 8 – Jul 13
Asian Tempest Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Astro Arugula lettuce — Apr 7 Direct Sow Apr 28 – May 17
Astro Arugula (fall planting) lettuce — Jul 25 Direct Sow Sep 3
Atkinson Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 9
Atlantic Giant Pumpkin squash — May 14 Direct Sow Sep 1
Aunt Molly's Ground Cherry vegetable Apr 2 May 21 Transplant Jul 30 – Aug 19
Aunt Ruby's German Green Tomatoes tomato Apr 2 May 21 Transplant Aug 9
Autumn King Carrots root vegetable — May 14 Direct Sow Jul 28 – Aug 2
Autumn King Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 13
B
Baby Blue Eyes Flowers flower — May 7 Direct Sow Jul 6 – Aug 5
Baby Blue Hubbard Winter Squash squash — May 14 Direct Sow Aug 17
Baby Cakes Blackberry berry — May 14 Plant Out Perennial — see plant page
Baby's Breath Flowers flower — May 7 Direct Sow Jun 21 – Jul 6
Bachelor's button edible flowers flower — May 7 Direct Sow Jul 6 – Jul 26
Bachelor's button edible flowers (fall planting) flower — Jul 25 Direct Sow Oct 13
Banana Melon melon — May 21 Direct Sow Aug 19
Banana Peppers pepper Mar 26 May 28 Transplant Aug 8
Barletta, Pearly White Onions allium Mar 5 May 7 Transplant Jul 21 – Jul 26
Barletta, Pearly White Onions (fall planting) allium — Jul 25 Direct Sow Oct 13
Basil Herb Mix herb Apr 9 May 14 Transplant Jul 13 – Aug 2
Bay Laurel herb — May 14 Plant Out Perennial — see plant page
Beauregard Sweet Potato root vegetable — May 14 Direct Sow Aug 12 – Aug 27
Beauty Pink Radishes root vegetable — May 14 Direct Sow Jun 9
Beauty Pink Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 20
Beauty Purple Radishes root vegetable — May 14 Direct Sow Jun 8 – Jun 13
Beauty Purple Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 24
Beauty White Radishes root vegetable — May 14 Direct Sow Jun 13 – Jun 23
Beauty White Radishes (fall planting) root vegetable — Jul 25 Direct Sow Sep 3
Bee Balm flower — May 7 Plant Out Perennial — see plant page
Beefsteak Tomatoes tomato Mar 19 May 21 Transplant Aug 9 – Aug 14
Beit Alpha Cucumbers cucumber — May 14 Direct Sow Jul 3 – Jul 18
Berry Blue honeyberry shrubs berry — Apr 23 Plant Out Perennial — see plant page
Better Boy Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 4
Bhut Jolokia Ghost Pepper pepper Mar 12 May 21 Transplant Aug 19 – Sep 18
Big Beef Tomatoes tomato Apr 2 May 21 Transplant Jul 30
Big Bertha Peppers pepper Mar 26 May 28 Transplant Aug 6 – Aug 9
Big Boy Tomatoes tomato Apr 2 May 21 Transplant Aug 7
Big Jim Hatch Chile pepper Mar 12 May 21 Transplant Jul 30 – Aug 4
Big Max Pumpkin squash — May 14 Direct Sow Sep 6 – Sep 11
Big Rainbow Tomatoes tomato Apr 2 May 21 Transplant Aug 14 – Aug 24
Birds Eye Hot Peppers pepper Mar 19 May 21 Transplant Aug 29 – Sep 8
Bitter melons vegetable Apr 23 May 21 Transplant Aug 4 – Aug 19
Black Beauty Eggplant vegetable Mar 12 May 21 Transplant Aug 4 – Aug 19
Black Beauty Zucchini squash Apr 20 May 18 Transplant Jul 2 – Jul 12
Black Cherry Tomatoes tomato Apr 2 May 21 Transplant Jul 24 – Aug 4
Black Diamond Watermelon melon — May 21 Direct Sow Aug 19
Black From Tula Tomatoes tomato Apr 2 May 21 Transplant Aug 14
Black Krim Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Black Oil Sunflower Microgreens microgreen — May 7 Plant Out May 14 – May 19
Black Oil Sunflower Microgreens (fall planting) microgreen — Jul 25 Direct Sow Aug 6
Black Pearl Tomatoes tomato Apr 2 May 21 Transplant Jul 25
Black Salsify root vegetable — May 14 Direct Sow Perennial — see plant page
Black Seeded Simpson Lettuce lettuce — Apr 7 Direct Sow May 22 – May 23
Black Seeded Simpson Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 9
Black-Eyed Pea legume — May 14 Direct Sow Jul 18 – Jul 23
Black-Eyed Susan flower — May 7 Plant Out Perennial — see plant page
Blazing Star Flowers flower — May 7 Direct Sow Perennial — see plant page
Blonde de Paris Lettuce lettuce — Apr 7 Direct Sow May 27 – Jun 6
Blonde de Paris Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Blondkopfchen Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Bloody Butcher Corn vegetable — May 21 Direct Sow Aug 29 – Sep 8
Bloomsdale Longstanding Spinach lettuce — Apr 7 Direct Sow May 22 – May 29
Bloomsdale Longstanding Spinach (fall planting) lettuce — Jul 25 Direct Sow Sep 15
Blue Curled Scotch Kale lettuce — Apr 7 Direct Sow Jun 1 – Jun 6
Blue Curled Scotch Kale (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Blue Flax Flowers flower — Apr 23 Direct Sow Perennial — see plant page
Blue Lake Bush Bean legume — May 14 Direct Sow Jul 3 – Jul 11
Blue Lake Pole Bean legume — May 14 Direct Sow Jul 19 – Jul 28
Bluecrop Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Bluegold Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Blueray Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Bok Choy lettuce — Apr 7 Direct Sow May 22 – Jun 6
Bok Choy (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Boltardy Beets root vegetable — May 14 Direct Sow Jul 3 – Jul 13
Boltardy Beets (fall planting) root vegetable — Jul 25 Direct Sow Sep 23
Bonny Best Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Borage flower — May 7 Direct Sow Jul 1 – Jul 21
Borlotti Bush Bean legume — May 14 Direct Sow Jul 8 – Jul 18
Boston Pickling Cucumber cucumber — May 14 Direct Sow Jul 3 – Jul 8
Bouquet Dill herb — Apr 23 Direct Sow Jun 12 – Jun 27
Bouquet Dill (fall planting) herb — Jul 25 Direct Sow Sep 28
Bradley Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Brandywine Tomatoes tomato Mar 19 May 21 Transplant Aug 9 – Aug 19
Brilliant Celeriac root vegetable Feb 19 May 7 Transplant Aug 25 – Sep 4
Broad Windsor Fava Bean legume — May 14 Direct Sow Aug 2
Broad Windsor Fava Bean (fall planting) legume — Jul 25 Direct Sow Oct 13
Broadleaf Classic Endive lettuce — Apr 7 Direct Sow May 27 – Jun 6
Broadleaf Classic Endive (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Broadleaf Full Heart Batavian Endive lettuce — Apr 7 Direct Sow Jul 1 – Jul 6
Broadleaf Sorrel lettuce — Apr 7 Direct Sow Perennial — see plant page
Broccolini brassica Apr 16 May 21 Transplant Jul 10 – Jul 20
Broccolini (fall planting) brassica — Jul 25 Direct Sow Sep 23
Brunswick Cabbage brassica Mar 19 Apr 23 Transplant Jul 22
Brunswick Lowbush Blueberry berry — May 7 Plant Out Perennial — see plant page
Brussels Sprouts brassica Apr 16 May 21 Transplant Aug 14 – Sep 8
Buckwheat cover crop — May 7 Direct Sow Jun 6 – Jun 21
Bull's Blood Beets root vegetable — May 14 Direct Sow Jul 3 – Jul 8
Bull's Blood Beets (fall planting) root vegetable — Jul 25 Direct Sow Sep 18
Burgess Buttercup Winter Squash squash — May 14 Direct Sow Aug 17
Burgundy Boston Lettuce lettuce — Apr 7 Direct Sow May 27 – Jun 1
Burgundy Boston Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Bush Pickle Cucumbers cucumber — May 14 Direct Sow Jun 28 – Jul 6
Buttercrunch Lettuce lettuce — Apr 7 Direct Sow May 23 – Jun 1
Buttercrunch Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Butterhead Lettuce lettuce — Apr 7 Direct Sow May 27 – Jun 11
Butterhead Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 28
C
Cal Sweet Watermelon melon — May 21 Direct Sow Aug 14 – Aug 19
Calabrese Broccoli brassica Mar 19 Apr 23 Transplant Jun 27
Calabrese Broccoli (fall planting) brassica — Jul 25 Direct Sow Sep 28
Calendula flower Apr 2 May 21 Transplant Jul 10 – Jul 20
Calendula (fall planting) flower — Jul 25 Direct Sow Sep 23
California Bluebell flower — May 7 Direct Sow Jul 1 – Jul 11
California Bluebell (fall planting) flower — Jul 25 Direct Sow Sep 28
California Giant Mix Zinnia Flowers flower — May 14 Direct Sow Jul 13 – Jul 23
California Wonder Peppers pepper Mar 26 May 28 Transplant Aug 8 – Aug 11
Calypso Bean legume — May 14 Direct Sow Jul 23 – Aug 12
Calypso Cilantro herb — May 7 Direct Sow Jun 26 – Jul 1
Calypso Cilantro (fall planting) herb — Jul 25 Direct Sow Sep 18
Calypso Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Canary Bird Zinnia Flowers flower — May 14 Direct Sow Jul 13 – Jul 23
Canary Yellow Swiss Chard lettuce — Apr 7 Direct Sow May 27 – Jun 6
Canary Yellow Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Candy Onion allium — Apr 2 Plant Out Jul 1 – Jul 11
Caraway herb — Apr 16 Direct Sow Perennial — see plant page
Cardoon (Purple Artichoke Thistle) vegetable Mar 12 May 14 Transplant Perennial — see plant page
Carentan Leeks allium Mar 5 Apr 23 Transplant Jul 22 – Aug 11
Caribe Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 14
Carmello Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 4
Carmen Peppers pepper Mar 26 May 28 Transplant Jul 27 – Aug 16
Carolina Cross Watermelon melon — May 21 Direct Sow Aug 29
Carolina Reaper peppers pepper Mar 5 May 21 Transplant Aug 19 – Sep 18
Cascadia Sugar Snap Pea legume — May 14 Direct Sow Jul 13
Cascadia Sugar Snap Pea (fall planting) legume — Jul 25 Direct Sow Sep 23
Caserta Summer Squash squash — May 14 Direct Sow Jul 18
Casper Eggplant vegetable Mar 19 May 21 Transplant Aug 4
Catalogna Chicory lettuce — Apr 7 Direct Sow Jun 1
Catalogna Chicory (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Catmint herb Mar 19 May 7 Transplant Perennial — see plant page
Catnip Herb herb — May 7 Direct Sow Perennial — see plant page
Cayenne Peppers pepper Mar 19 May 21 Transplant Jul 30 – Aug 14
Celebrity Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 1
Chadwick's Cherry Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 19
Champion Radishes root vegetable — May 14 Direct Sow Jun 8 – Jun 13
Champion Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 24
Chandler Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Chandler Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Chantenay Carrots root vegetable — May 14 Direct Sow Jul 23
Chantenay Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 3
Charleston Wakefield Cabbage brassica Mar 12 Apr 16 Transplant Jun 25
Charleston Wakefield Cabbage (fall planting) brassica — Jul 25 Direct Sow Oct 3
Chayote squash vegetable — May 21 Plant Out Sep 18 – Sep 27 (before frost)
Chengdu Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Cherokee Purple Tomatoes tomato Mar 19 May 21 Transplant Aug 7 – Aug 14
Cherokee Trail of Tears Bean legume — May 14 Direct Sow Jul 18 – Aug 12
Cherry Belle Radish root vegetable — May 14 Direct Sow Jun 8
Cherry Belle Radish (fall planting) root vegetable — Jul 25 Direct Sow Aug 19
Cherry Bomb peppers pepper Mar 5 May 21 Transplant Aug 4 – Aug 9
Cherry Queen Zinnia Flowers flower — May 14 Direct Sow Jul 13 – Jul 23
Chervil herb — Apr 16 Direct Sow May 21 – May 31
Chervil (fall planting) herb — Jul 25 Direct Sow Sep 8
Chesnok Red Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Chicago Hardy Fig berry — May 7 Plant Out Perennial — see plant page
Chinese 5-Color Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Chinese Broccoli (Gai Lan) brassica — Apr 7 Direct Sow May 7 – May 27
Chinese Broccoli (Gai Lan) (fall planting) brassica — Jul 25 Direct Sow Sep 13
Chinese Forget-Me-Not Flowers flower — Apr 23 Direct Sow Jun 27 – Jul 17
Chinese Snake Cucumber cucumber — May 14 Direct Sow Jul 28
Chioggia Beet root vegetable — May 14 Direct Sow Jul 8
Chioggia Beet (fall planting) root vegetable — Jul 25 Direct Sow Sep 18
Chives herb — May 7 Plant Out Perennial — see plant page
Chocolate Bell Sweet Peppers pepper Mar 19 May 21 Transplant Jul 25 – Aug 9
Chocolate Cherry Sunflowers flower — May 14 Direct Sow Jul 28 – Aug 12
Chocolate Cherry Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 4
Chocolate Habanero Hot Peppers pepper Mar 19 May 21 Transplant Aug 14 – Sep 3
Chocolate Stripes Tomatoes tomato Apr 2 May 21 Transplant Aug 9
Christmas Lima Bean legume — May 14 Direct Sow Aug 6 – Aug 12
Cinderella Pumpkin squash — May 14 Direct Sow Sep 6
Cinnamon Basil herb Apr 9 May 14 Transplant Jul 18 – Aug 2
Clasping Coneflower flower — May 14 Direct Sow Aug 7 – Aug 22
Classic Cumin herb — May 14 Direct Sow Aug 22 – Sep 11
Classic Tomatillos vegetable Apr 9 May 14 Transplant Aug 2 – Aug 7
Clemson Spineless Okra vegetable Apr 16 May 21 Transplant Jul 15 – Jul 24
Cocozelle Summer Squash squash — May 14 Direct Sow Jul 11
Common Milkweed Flowers flower — Apr 30 Direct Sow Perennial — see plant page
Common Sage herb Mar 26 May 14 Transplant Perennial — see plant page
Concord grape vines berry — Apr 23 Plant Out Perennial — see plant page
Congo Watermelon melon — May 21 Direct Sow Aug 19 – Aug 24
Contender Bush Bean legume — May 14 Direct Sow Jun 28 – Jul 8
Copenhagen Cabbage brassica Mar 19 Apr 23 Transplant Jun 27
Copenhagen Cabbage (fall planting) brassica — Jul 25 Direct Sow Sep 28
Corno di Toro Pepper pepper Mar 12 May 21 Transplant Aug 4 – Aug 9
Cosmic Purple Carrot root vegetable — May 14 Direct Sow Jul 11 – Jul 28
Cosmic Purple Carrot (fall planting) root vegetable — Jul 25 Direct Sow Oct 8
Cosmos flower Apr 16 May 21 Transplant Jul 30 – Aug 19
Cosmos Sensations Mix Flowers flower — May 7 Direct Sow Jul 21 – Aug 5
Costoluto Genovese Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 9
County Fair Cucumbers cucumber — May 14 Direct Sow Jul 3 – Jul 5
Crackerjack Mix Marigolds flower Apr 2 May 7 Transplant Jul 6 – Jul 21
Crego Mix Aster Flowers flower Mar 26 May 14 Transplant Aug 2 – Aug 12
Creole Red Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Creole Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 7
Crimson Cherry Rhubarb Root vegetable — Apr 9 Plant Out Perennial — see plant page
Crimson Clover cover crop — May 7 Direct Sow Jul 6 – Aug 5
Crimson Forest Bunching Onions allium Mar 19 May 7 Transplant Jul 6
Crimson Forest Bunching Onions (fall planting) allium — Jul 25 Direct Sow Sep 23
Crimson Sweet Watermelon melon Apr 23 May 21 Transplant Aug 9 – Aug 19
Crisphead Lettuce lettuce — Apr 7 Direct Sow Jun 14 – Jun 21
Crisphead Lettuce (fall planting) lettuce — Jul 25 Direct Sow Oct 8
Crosby's Egyptian Beets root vegetable — May 14 Direct Sow Jul 8 – Jul 13
Crosby's Egyptian Beets (fall planting) root vegetable — Jul 25 Direct Sow Sep 23
Crosne tubers root vegetable — May 14 Direct Sow Perennial — see plant page
Cuban Oregano herb — May 14 Plant Out Perennial — see plant page
Cubanelle Peppers pepper Mar 26 May 28 Transplant Jul 29 – Aug 6
Culinary Turmeric root vegetable Apr 2 May 28 Transplant Jan 23, 2027 – Mar 24, 2027
Cupid Grape Tomatoes tomato Apr 2 May 21 Transplant Jul 25 – Jul 30
Curly Kale lettuce — Apr 7 Direct Sow Jun 1 – Jun 11
Curly Kale (fall planting) lettuce — Jul 25 Direct Sow Sep 28
Curly Parsley herb Mar 5 May 7 Transplant Jul 16 – Jul 26
Curly Parsley (fall planting) herb — Jul 25 Direct Sow Oct 13
Cylindra Beets root vegetable — May 14 Direct Sow Jul 13
Cylindra Beets (fall planting) root vegetable — Jul 25 Direct Sow Sep 23
D
Dandelion herb — Apr 16 Direct Sow Perennial — see plant page
Danish Ballhead Cabbage brassica Mar 19 Apr 23 Transplant Aug 1 – Aug 11
Danvers Carrot root vegetable — May 14 Direct Sow Jul 23 – Aug 2
Danvers Carrot (fall planting) root vegetable — Jul 25 Direct Sow Oct 13
Dark Green Italian Giant Parsley herb — Apr 23 Direct Sow Jun 22 – Jul 7
Dark Green Italian Giant Parsley (fall planting) herb — Jul 25 Direct Sow Oct 8
Dark Green Romaine Lettuce lettuce — Apr 7 Direct Sow Jun 6 – Jun 16
Dark Green Romaine Lettuce (fall planting) lettuce — Jul 25 Direct Sow Oct 3
Dark Green Summer Squash squash — May 14 Direct Sow Jul 3
Dark Opal Basil herb Apr 2 May 21 Transplant Jul 20 – Aug 4
Datil peppers pepper Mar 5 May 21 Transplant Aug 19 – Sep 8
Delica Kabocha Squash squash Apr 23 May 21 Transplant Aug 24 – Sep 8
Delicata Squash squash Apr 23 May 21 Transplant Aug 9 – Aug 29
Delicatesse Blue Kohlrabi brassica — Apr 7 Direct Sow Jun 1 – Jun 6
Delicatesse Blue Kohlrabi (fall planting) brassica — Jul 25 Direct Sow Sep 23
Delicatesse White Kohlrabi brassica — Apr 7 Direct Sow Jun 1 – Jun 6
Delicatesse White Kohlrabi (fall planting) brassica — Jul 25 Direct Sow Sep 23
Delicious Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Detroit Dark Red Beet root vegetable — May 14 Direct Sow Jul 13
Detroit Dark Red Beet (fall planting) root vegetable — Jul 25 Direct Sow Sep 23
Devils Tongue Yellow Hot Peppers pepper Mar 19 May 21 Transplant Aug 19 – Sep 8
Di Cicco Broccoli brassica Mar 19 Apr 23 Transplant Jun 7 – Jun 10
Di Cicco Broccoli (fall planting) brassica — Jul 25 Direct Sow Sep 11
Dill herb — May 7 Direct Sow Jun 16 – Jul 1
Dill (fall planting) herb — Jul 25 Direct Sow Sep 18
Diva Cucumbers cucumber — May 14 Direct Sow Jul 11
Dolce Fresca Basil herb Apr 2 May 21 Transplant Jul 20 – Jul 30
Dragon Tongue Bean legume — May 14 Direct Sow Jul 8 – Jul 13
Drumhead Cabbage brassica Mar 19 Apr 23 Transplant Jul 22 – Aug 1
Dukat Dill herb — Apr 23 Direct Sow Jun 2 – Jun 12
Dukat Dill (fall planting) herb — Jul 25 Direct Sow Sep 13
Duke Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Dutch Lamb's Lettuce lettuce — Apr 7 Direct Sow May 17 – May 27
Dutch Lamb's Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Dutch Yellow Shallots allium — Apr 9 Plant Out Jul 8 – Aug 7
Dwarf Jewel Mix Nasturtium Flowers flower — May 7 Direct Sow Jun 26 – Jul 6
Dwarf Long Pod Okra vegetable — May 28 Direct Sow Jul 22 – Jul 27
Dwarf Siberian Kale lettuce — Apr 7 Direct Sow May 27 – Jun 1
Dwarf Siberian Kale (fall planting) lettuce — Jul 25 Direct Sow Sep 18
E
Earliglow Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Early Girl Tomatoes tomato Apr 2 May 21 Transplant Jul 12 – Jul 22
Early Jersey Wakefield Cabbage brassica Mar 12 Apr 16 Transplant Jun 20 – Jun 30
Early Jersey Wakefield Cabbage (fall planting) brassica — Jul 25 Direct Sow Oct 8
Early Purple Broccoli brassica Mar 19 Apr 23 Transplant Jun 27
Early Purple Broccoli (fall planting) brassica — Jul 25 Direct Sow Sep 28
Early White Bush Scallop Pattypan Squash squash Apr 23 May 21 Transplant Jul 7 – Jul 15
Early Wonder Beets root vegetable — May 14 Direct Sow Jul 3
Early Wonder Beets (fall planting) root vegetable — Jul 25 Direct Sow Sep 13
Easter Egg Radishes root vegetable — May 14 Direct Sow Jun 11 – Jun 15
Easter Egg Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 26
Echinacea flower — May 7 Plant Out Perennial — see plant page
Edamame legume — May 14 Direct Sow Jul 28 – Aug 17
Egg Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Eight Ball Zucchini squash — May 14 Direct Sow Jun 28 – Jul 8
Elephant Garlic allium — Oct 14 Plant Out Jul 8, 2027 – Jul 14, 2027
Elliott Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Emerald Giant Sweet Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Emerald Green Velvet Okra vegetable — May 21 Direct Sow Jul 15 – Jul 18
Empress of India Nasturtium Flowers flower — May 7 Direct Sow Jul 1 – Jul 11
Endive / Escarole lettuce — Apr 7 Direct Sow May 22 – Jun 11
Endive / Escarole (fall planting) lettuce — Jul 25 Direct Sow Sep 28
English Lavender herb Mar 19 May 21 Transplant Perennial — see plant page
English Lavender (companion planting) flower — May 7 Plant Out Perennial — see plant page
English Thyme herb Mar 5 May 7 Transplant Perennial — see plant page
English White Daisy Flowers flower Mar 5 May 7 Transplant Perennial — see plant page
Epazote herb — May 14 Direct Sow Jul 8 – Jul 18
Evening Sun Sunflowers flower — May 14 Direct Sow Aug 2 – Aug 12
Everbearing Cucumber cucumber — May 14 Direct Sow Jul 13
Evergreen Bunching Onions allium Mar 19 May 7 Transplant Jul 6 – Jul 11
Evergreen Bunching Onions (fall planting) allium — Jul 25 Direct Sow Sep 28
Evergreen Parsley herb — Apr 23 Direct Sow Jul 2 – Jul 17
F
Fairy Dwarf Mix Candytuft Flowers flower — Apr 30 Direct Sow Jun 14 – Jun 24
Fairy Dwarf Mix Candytuft Flowers (fall planting) flower — Jul 25 Direct Sow Sep 18
Fava Bean legume — May 14 Direct Sow Jul 28 – Aug 22
Fenugreek herb — Apr 23 Direct Sow May 28 – Jun 12
Fenugreek (fall planting) herb — Jul 25 Direct Sow Sep 13
Firecracker Hot Peppers pepper Mar 19 May 21 Transplant Aug 9 – Sep 18
Fish Peppers pepper Mar 19 May 21 Transplant Jul 30 – Aug 9
Five Star Grape Tomatoes tomato Apr 2 May 21 Transplant Jul 22
Flat-Leaf Parsley herb Mar 5 May 7 Transplant Jul 16 – Aug 5
Floradade Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 4
Florida Broadleaf Mustard lettuce — Apr 7 Direct Sow May 17 – May 27
Florida Broadleaf Mustard (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Florida Giant Watermelon melon — May 21 Direct Sow Aug 14
Florida Market Eggplant vegetable Mar 19 May 21 Transplant Aug 9 – Aug 19
Fordhook Giant Swiss Chard lettuce — Apr 7 Direct Sow May 22 – Jun 1
Fordhook Giant Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Fort Laramie Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Fortex Pole Bean legume — May 14 Direct Sow Jul 13 – Jul 23
Foxglove Flowers flower — Apr 30 Direct Sow Perennial — see plant page
French Breakfast Radish root vegetable — May 14 Direct Sow Jun 4
French Breakfast Radish (fall planting) root vegetable — Jul 25 Direct Sow Aug 15
French Fingerling Potato root vegetable — May 14 Direct Sow Aug 15
French Lamb's Lettuce lettuce — Apr 7 Direct Sow May 17 – May 27
French Lamb's Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 13
French Marigold flower Apr 16 May 21 Transplant Jul 10 – Jul 20
French Red Shallots allium — Apr 9 Plant Out Jul 8 – Aug 7
French Tarragon herb — May 7 Plant Out Perennial — see plant page
Fresno Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 9
G
Gaillardia Annual Mix Flowers flower — May 7 Direct Sow Jul 16 – Aug 5
Gardener's Delight Tomatoes tomato Apr 2 May 21 Transplant Jul 20 – Aug 4
Garlic Chives herb — May 7 Plant Out Perennial — see plant page
Genovese Basil herb Apr 2 May 21 Transplant Jul 20 – Jul 30
Georgia Rattlesnake Watermelon melon — May 21 Direct Sow Aug 19 – Aug 24
Georgia Southern Collard Greens lettuce — Apr 7 Direct Sow Jun 16 – Jul 1
German Chamomile herb — May 7 Direct Sow Jul 6 – Jul 11
German Chamomile (fall planting) herb — Jul 25 Direct Sow Sep 28
German Johnson Tomatoes tomato Apr 2 May 21 Transplant Aug 14
German Red Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Giant Imperial Mix Larkspur Flowers flower — Apr 16 Direct Sow Jul 25 – Aug 14
Giant Maximum Mix Snapdragon Flowers flower Mar 5 May 7 Transplant Jul 26 – Aug 10
Giant Musselburgh Leeks allium Mar 5 Apr 23 Transplant Aug 6
Giant Red Mustard lettuce — Apr 7 Direct Sow May 22
Giant Red Mustard (fall planting) lettuce — Jul 25 Direct Sow Sep 8
Ginger root vegetable Apr 2 May 28 Transplant Jan 23, 2027 – Mar 24, 2027
Glacier Tomatoes tomato Apr 2 May 21 Transplant Jul 15 – Jul 18
Globe Gilia Flowers flower — May 7 Direct Sow Jul 6 – Jul 26
Globe Gilia Flowers (fall planting) flower — Jul 25 Direct Sow Oct 13
Glorious Gleam Nasturtium Flowers flower — May 7 Direct Sow Jul 1 – Jul 16
Glory of Enkhuizen Cabbage brassica Mar 19 Apr 23 Transplant Jul 22
Gochugaru Korean Peppers pepper Mar 19 May 21 Transplant Aug 4
Gold Rush Zucchini squash — May 14 Direct Sow Jun 28 – Jul 3
Golden Acre Cabbage brassica Mar 19 Apr 23 Transplant Jun 27
Golden Acre Cabbage (fall planting) brassica — Jul 25 Direct Sow Sep 28
Golden Bantam Sweet Corn vegetable — May 21 Direct Sow Aug 9 – Aug 14
Golden Beet root vegetable — May 14 Direct Sow Jul 8 – Jul 18
Golden Beet (fall planting) root vegetable — Jul 25 Direct Sow Sep 28
Golden Bush Scallop Summer Squash squash — May 14 Direct Sow Jul 18
Golden Celery vegetable Feb 26 May 14 Transplant Aug 7 – Aug 17
Golden Detroit Beets root vegetable — May 14 Direct Sow Jul 8 – Jul 13
Golden Detroit Beets (fall planting) root vegetable — Jul 25 Direct Sow Sep 23
Golden Globe Turnips root vegetable — May 14 Direct Sow Jun 28 – Jul 3
Golden Globe Turnips (fall planting) root vegetable — Jul 25 Direct Sow Sep 13
Golden Hubbard Winter Squash squash — May 14 Direct Sow Aug 22
Golden Marconi Sweet Peppers pepper Mar 19 May 21 Transplant Jul 25 – Aug 9
Golden Sunray Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Golden Wax Bush Bean legume — May 14 Direct Sow Jul 3 – Jul 13
Goldrush Potato root vegetable — May 14 Direct Sow Sep 2 – Sep 11
Grano Red Onions allium Mar 5 May 7 Transplant Sep 4
Grano White Onions allium Mar 5 May 7 Transplant Sep 4
Greek Basil herb Apr 9 May 14 Transplant Jul 18 – Jul 28
Greek Oregano herb — May 14 Plant Out Perennial — see plant page
Green Arrow Pea legume — May 14 Direct Sow Jul 18 – Jul 23
Green Arrow Pea (fall planting) legume — Jul 25 Direct Sow Oct 3
Green Cabbage brassica Apr 16 May 21 Transplant Jul 20 – Aug 29
Green Envy Tomatoes tomato Apr 2 May 21 Transplant Jul 20 – Jul 30
Green Fingers Persian Cucumber cucumber — May 14 Direct Sow Jul 8 – Jul 13
Green Flesh Honeydew Melon melon — May 21 Direct Sow Aug 14 – Aug 29
Green Globe Artichoke vegetable Mar 12 May 21 Transplant Perennial — see plant page
Green Grape Tomatoes tomato Apr 2 May 21 Transplant Jul 25 – Aug 7
Green Hubbard Winter Squash squash — May 14 Direct Sow Sep 1
Green Ice Lettuce lettuce — Apr 7 Direct Sow May 22
Green Ice Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 8
Green Marrow Summer Squash squash — May 14 Direct Sow Aug 7
Green Mountain Celtuce lettuce — Apr 7 Direct Sow May 27
Green Mountain Celtuce (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Green Onion allium Jan 29 Apr 2 Transplant Perennial — see plant page
Green Purslane vegetable — May 14 Direct Sow Jun 18 – Jul 3
Green shiso leaves herb Apr 9 May 14 Transplant Jul 13 – Jul 23
Green Striped Cushaw Crookneck Winter Squash squash — May 14 Direct Sow Aug 27
Green Wave Mustard lettuce — Apr 7 Direct Sow May 22
Green Wave Mustard (fall planting) lettuce — Jul 25 Direct Sow Sep 8
Green Zebra Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 7
Gypsy Peppers pepper Mar 26 May 28 Transplant Jul 27 – Aug 1
H
H-19 Little Leaf Cucumbers cucumber — May 14 Direct Sow Jul 10 – Jul 15
Habanero Pepper pepper Mar 12 May 28 Transplant Aug 26 – Sep 25
Hailstone Radishes root vegetable — May 14 Direct Sow Jun 13
Hailstone Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 24
Hairy vetch cover crop stands cover crop — May 7 Direct Sow Jul 6 – Aug 5
Hale's Best Jumbo Cantaloupe melon Apr 23 May 21 Transplant Aug 9 – Aug 19
Hamburg Rooted Parsley herb — Apr 23 Direct Sow Jul 22 – Aug 11
Hard Red Wheat Cover Crop cover crop — Apr 16 Direct Sow Jun 30 – Jul 20
Harris Model Parsnips root vegetable — May 14 Direct Sow Sep 6 – Sep 11
Harvester Bush Bean legume — May 14 Direct Sow Jul 3 – Jul 8
Hatch Green Chile (NM 6-4) Peppers pepper Mar 19 May 21 Transplant Jul 30 – Aug 9
Heart of Gold Cantaloupe Melon melon — May 21 Direct Sow Aug 14 – Aug 29
Heirloom Red Kuri Squash squash — May 14 Direct Sow Aug 12 – Aug 22
Henderson Bush Lima Bean legume — May 14 Direct Sow Jul 14 – Jul 23
Herb Fennel herb — May 7 Direct Sow Perennial — see plant page
Heritage Rainbow Blend Carrots root vegetable — May 14 Direct Sow Jul 23 – Jul 28
Heritage Rainbow Blend Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 8
Heritage Raspberry berry — Apr 23 Plant Out Perennial — see plant page
Highbush Blueberries berry Mar 12 May 21 Transplant Perennial — see plant page
Hillbilly Tomatoes tomato Apr 2 May 21 Transplant Aug 14
Holiday Marbles Hot Peppers pepper Mar 19 May 21 Transplant Aug 19 – Sep 8
Holland Red Shallots allium — Apr 9 Plant Out Jul 8 – Aug 7
Homemade Pickles Cucumber cucumber — May 14 Direct Sow Jul 13
Homestead Tomatoes tomato Apr 2 May 21 Transplant Aug 9 – Aug 14
Honeoye Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Honey Bee Tomatoes tomato Apr 2 May 21 Transplant Jul 20
Honey Rock Cantaloupe Melon melon — May 21 Direct Sow Aug 14 – Aug 29
Honeycrisp apple trees berry — Apr 23 Plant Out Perennial — see plant page
Horehound Herb herb — May 7 Direct Sow Perennial — see plant page
Horseradish vegetable — May 7 Plant Out Perennial — see plant page
Hot Pink Swiss Chard lettuce — Apr 7 Direct Sow May 27 – Jun 6
Hot Pink Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Hungarian Hot Wax Pepper pepper Mar 12 May 21 Transplant Jul 25 – Aug 4
I
Iceberg Lettuce lettuce — Apr 7 Direct Sow Jun 14 – Jun 21
Iceberg Lettuce (fall planting) lettuce — Jul 25 Direct Sow Oct 8
Igloo Cauliflower brassica Mar 19 Apr 23 Transplant Jun 27 – Jul 2
Igloo Cauliflower (fall planting) brassica — Jul 25 Direct Sow Oct 3
Imperial Star Artichoke vegetable Mar 5 May 7 Transplant Aug 5 – Aug 15
Improved Meyer Lemon berry — May 21 Plant Out Perennial — see plant page
Inchelium Red Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Indian Spring Mix Hollyhock Flowers flower — May 7 Direct Sow Sep 4 – Sep 27 (before frost)
Indigo Rose Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 19
Invicta gooseberry shrubs berry — Apr 23 Plant Out Perennial — see plant page
Isis Candy Cherry Tomatoes tomato Mar 26 May 14 Transplant Jul 23 – Aug 2
Issai hardy kiwi vines berry — Apr 23 Plant Out Perennial — see plant page
Italian Large Leaf Basil herb Apr 9 May 14 Transplant Jul 13 – Jul 28
Italian Oregano herb Mar 19 May 7 Transplant Perennial — see plant page
J
Jack Be Little Pumpkin squash — May 14 Direct Sow Aug 17
Jack O'Lantern Pumpkin squash Apr 23 May 21 Transplant Aug 19 – Sep 8
Jacob's Cattle beans legume — May 14 Direct Sow Aug 5 – Aug 12
Jade Bush Bean legume — May 14 Direct Sow Jul 8 – Jul 13
Jalapeño Peppers pepper Mar 19 May 21 Transplant Jul 25 – Aug 4
Japanese Eggplant vegetable Mar 26 May 21 Transplant Jul 10 – Jul 25
Jaune Flamme Tomatoes tomato Apr 2 May 21 Transplant Aug 9
Jersey Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Jersey Knight Asparagus vegetable — Apr 23 Plant Out Perennial — see plant page
Jerusalem artichoke tubers root vegetable — May 14 Direct Sow Perennial — see plant page
Jet Star Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 1
Jewel Black Raspberry berry — May 7 Plant Out Perennial — see plant page
Jewel Strawberries berry — Apr 23 Plant Out Perennial — see plant page
Jimmy Nardello Peppers pepper Mar 26 May 28 Transplant Aug 16 – Aug 26
Jubilee Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Jubilee Watermelon melon — May 21 Direct Sow Aug 19 – Aug 24
Juliet Tomatoes tomato Apr 2 May 21 Transplant Jul 19 – Jul 21
K
Kagraner Sommer Lettuce lettuce — Apr 7 Direct Sow Jun 4
Kagraner Sommer Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 21
Kapoor Tulsi (Holy Basil) herb Apr 2 May 21 Transplant Jul 20
Kellogg's Breakfast tomatoes tomato Mar 26 May 14 Transplant Jul 28 – Aug 7
Kennebec Potato root vegetable — May 14 Direct Sow Sep 1 – Sep 26
Kentucky Wonder Pole Bean legume — May 14 Direct Sow Jul 18
King Arthur Peppers pepper Mar 26 May 28 Transplant Jul 26
King of the Garden Pole Lima Bean legume — May 14 Direct Sow Aug 10 – Aug 17
King Richard Leek allium Feb 5 Apr 9 Transplant Jun 23
King Richard Leek (fall planting) allium — Jul 25 Direct Sow Oct 8
King's Cure-All Evening Primrose Flowers flower — Apr 30 Direct Sow Perennial — see plant page
Kuroda Carrots root vegetable — May 14 Direct Sow Jul 23
Kuroda Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 3
L
Lacinato Kale lettuce — Apr 7 Direct Sow Jun 6 – Jun 11
Lacinato Kale (fall planting) lettuce — Jul 25 Direct Sow Sep 28
Lacy Phacelia Flowers flower — May 7 Direct Sow Jun 21 – Jul 6
Lacy Phacelia Flowers (fall planting) flower — Jul 25 Direct Sow Sep 23
Lanceleaf Coreopsis Flowers flower — May 7 Direct Sow Perennial — see plant page
Landreth Bush Bean legume — May 14 Direct Sow Jul 3 – Jul 8
Large Leaf Sorrel lettuce — Apr 7 Direct Sow Perennial — see plant page
Large Red Cherry Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 9
Leaf Lettuce Mix lettuce — Apr 7 Direct Sow May 22 – Jun 1
Leaf Lettuce Mix (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Lebanese White Bush Summer Squash squash — May 14 Direct Sow Jul 3
Leek allium Feb 5 Apr 9 Transplant Jul 18 – Aug 17
Legacy Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Lemon Balm herb — May 7 Plant Out Perennial — see plant page
Lemon Cucumber cucumber Apr 30 May 21 Transplant Jul 20 – Jul 30
Lemon Habanero Hot Peppers pepper Mar 19 May 21 Transplant Aug 14 – Sep 3
Lemon Mint Herb herb — May 7 Direct Sow Aug 5
Lemon Verbena herb — May 14 Plant Out Perennial — see plant page
Lemongrass herb Mar 19 May 21 Transplant Perennial — see plant page
Lettuce Leaf Basil herb Apr 9 May 14 Transplant Jul 18 – Aug 2
Licorice Basil herb Apr 9 May 14 Transplant Jul 18 – Aug 2
Lima Bean legume — May 14 Direct Sow Jul 13 – Aug 2
Lime Basil herb Apr 9 May 14 Transplant Jul 18 – Jul 28
Little Fingers Carrots root vegetable — May 14 Direct Sow Jul 8
Little Fingers Carrots (fall planting) root vegetable — Jul 25 Direct Sow Sep 18
Little Gem Lettuce lettuce — Apr 7 Direct Sow May 27 – Jun 2
Little Gem Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 19
Little Marvel Pea legume — May 14 Direct Sow Jul 13 – Jul 16
Little Marvel Pea (fall planting) legume — Jul 25 Direct Sow Sep 26
Lollo Bionda Lettuce lettuce — Apr 7 Direct Sow May 27 – Jun 6
Lollo Bionda Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Lollo Rossa Lettuce lettuce — Apr 7 Direct Sow May 30 – Jun 2
Lollo Rossa Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 19
Long Green Louisiana Eggplant vegetable Mar 19 May 21 Transplant Jul 25 – Jul 30
Long Island Cheese Winter Squash squash — May 14 Direct Sow Aug 30
Long Ping Tung Eggplant vegetable Mar 19 May 21 Transplant Jul 15 – Jul 20
Long Purple Italian Eggplant vegetable Mar 19 May 21 Transplant Aug 4
Lovage Herb herb — May 7 Direct Sow Perennial — see plant page
Love-in-a-Mist Flowers flower — May 7 Direct Sow Jul 11 – Jul 16
Love-in-a-Mist Flowers (fall planting) flower — Jul 25 Direct Sow Oct 3
Luffa gourds vegetable Apr 16 May 21 Transplant Aug 29 – Sep 18
Luminosa Zinnia Flowers flower — May 14 Direct Sow Jul 13 – Jul 23
Lunar White Carrots root vegetable — May 14 Direct Sow Jul 8 – Jul 13
Lunar White Carrots (fall planting) root vegetable — Jul 25 Direct Sow Sep 23
Lunaria Silver Dollar Flowers flower — Apr 30 Direct Sow Perennial — see plant page
Lunchbox Mini Peppers pepper Mar 26 May 28 Transplant Jul 22 – Jul 27
M
Magenta Sunset Swiss Chard lettuce — Apr 7 Direct Sow Jun 1 – Jun 6
Magenta Sunset Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Mammoth Dill herb — Apr 23 Direct Sow Jun 7 – Jun 27
Mammoth Dill (fall planting) herb — Jul 25 Direct Sow Sep 28
Mammoth Melting Sugar Snow Pea legume — May 14 Direct Sow Jul 21 – Jul 28
Mammoth Melting Sugar Snow Pea (fall planting) legume — Jul 25 Direct Sow Oct 8
Mammoth Sandwich Island Salsify root vegetable — May 14 Direct Sow Sep 11
Mammoth Sunflower flower — May 7 Direct Sow Jul 11 – Jul 26
Manitoba Tomatoes tomato Apr 2 May 21 Transplant Jul 26
Mara des Bois Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Marglobe Improved Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 9
Marglobe Supreme Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 9
Mariachi Peppers pepper Mar 19 May 21 Transplant Jul 26 – Aug 4
Marion Blackberry berry — May 7 Plant Out Perennial — see plant page
Marion Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Marketer Cucumber cucumber — May 14 Direct Sow Jul 8
Marketmore 76 Cucumber cucumber Apr 23 May 21 Transplant Jul 18 – Jul 28
Marvel of Four Seasons Lettuce lettuce — Apr 7 Direct Sow May 22 – Jun 6
Marvel of Four Seasons Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Mary Washington Asparagus vegetable — Apr 23 Plant Out Perennial — see plant page
Matador Viking Spinach lettuce — Apr 7 Direct Sow May 22 – May 25
Matador Viking Spinach (fall planting) lettuce — Jul 25 Direct Sow Sep 11
Matt's Wild Cherry Tomatoes tomato Mar 26 May 14 Transplant Jul 8 – Jul 18
Maxibel Filet Bean legume — May 14 Direct Sow Jul 3 – Jul 13
Maximilian Sunflowers flower — May 7 Direct Sow Perennial — see plant page
McKana Giants Mix Columbine Flowers flower — May 7 Direct Sow Perennial — see plant page
Medium Red Clover Cover Crop cover crop — Apr 23 Direct Sow Jun 22 – Jul 7
Medium Red Clover Cover Crop (fall planting) cover crop — Jul 25 Direct Sow Oct 8
Mesclun Mix lettuce — Apr 7 Direct Sow Apr 28 – May 7
Mesclun Mix (fall planting) lettuce — Jul 25 Direct Sow Aug 24
Michihili Cabbage brassica Mar 12 Apr 16 Transplant Jun 25
Michihili Cabbage (fall planting) brassica — Jul 25 Direct Sow Oct 3
Midnight Snack Tomatoes tomato Apr 2 May 21 Transplant Jul 25 – Jul 30
Mild French Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Millennium Asparagus vegetable — Apr 23 Plant Out Perennial — see plant page
Minowase Daikon Radish root vegetable — May 14 Direct Sow Jun 28 – Jul 8
Minowase Daikon Radish (fall planting) root vegetable — Jul 25 Direct Sow Sep 18
Mizuna lettuce — Apr 7 Direct Sow May 17 – May 27
Mizuna (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Money Maker Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 14
Monstrueux de Viroflay Spinach lettuce — Apr 7 Direct Sow May 22 – May 27
Monstrueux de Viroflay Spinach (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Moon & Stars Red-Flesh Watermelon melon — May 21 Direct Sow Aug 19 – Aug 29
Moon & Stars Yellow-Flesh Watermelon melon — May 21 Direct Sow Aug 19 – Aug 29
Morris Heading Collard lettuce — Apr 7 Direct Sow Jun 21 – Jun 26
Morris Heading Collard (fall planting) lettuce — Jul 25 Direct Sow Oct 13
Mortgage Lifter Tomatoes tomato Mar 19 May 21 Transplant Aug 9 – Aug 14
Mountain Magic Tomatoes tomato Apr 2 May 21 Transplant Aug 1 – Aug 4
Mr. Stripey Tomatoes tomato Apr 2 May 21 Transplant Aug 9
Mrs. Burns Lemon Basil herb Mar 26 May 14 Transplant Jul 13 – Jul 23
Mucho Nacho Jalapeño Peppers pepper Apr 2 May 21 Transplant Jul 28 – Jul 30
Mugwort herb — May 7 Direct Sow Perennial — see plant page
Muncher Cucumber cucumber — May 14 Direct Sow Jul 13 – Jul 18
Music Hardneck Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Mustard Greens lettuce — Apr 7 Direct Sow May 12 – May 27
Mustard Greens (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Mâche (Corn Salad) lettuce — Apr 7 Direct Sow Jun 6 – Jun 30
N
Nagami Kumquat berry — May 21 Plant Out Perennial — see plant page
Nantes Carrot root vegetable — May 14 Direct Sow Jul 15 – Jul 28
Nantes Carrot (fall planting) root vegetable — Jul 12 Direct Sow Sep 25
Napa Cabbage brassica — Apr 7 Direct Sow Jun 6 – Jun 16
Napa Cabbage (fall planting) brassica — Jul 25 Direct Sow Oct 3
Napoletano Basil herb Apr 2 May 21 Transplant Aug 4
Nasturtium flower — May 7 Direct Sow Jun 26 – Jul 11
National Pickling Cucumber cucumber Apr 30 May 21 Transplant Jul 10 – Jul 18
New England Aster Flowers flower — Apr 30 Direct Sow Perennial — see plant page
New Sunn Hemp Cover Crop cover crop — May 21 Direct Sow Jul 20 – Aug 19
New Zealand Spinach lettuce — Apr 7 Direct Sow May 27 – Jun 6
Noble Giant Spinach lettuce — Apr 7 Direct Sow May 23 – May 27
Noble Giant Spinach (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Nodding Catchfly Flowers flower — May 7 Direct Sow Jul 6 – Aug 5
Northblue Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Northland Blueberry berry — Apr 23 Plant Out Perennial — see plant page
NuMex Twilight Hot Peppers pepper Mar 19 May 21 Transplant Aug 19 – Sep 18
Nutri-Red Carrots root vegetable — May 14 Direct Sow Jul 23
Nutri-Red Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 3
O
OG American Flag Leeks allium Mar 5 Apr 23 Transplant Jul 22 – Aug 1
Old Fashion Mustard lettuce — Apr 7 Direct Sow May 22 – May 27
Old Fashion Mustard (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Orange Flesh Honeydew Melon melon — May 21 Direct Sow Aug 14 – Aug 29
Orange Habanero Hot Peppers pepper Mar 19 May 21 Transplant Aug 14 – Sep 3
Orange Horizon Sweet Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 9
Orange King Zinnia Flowers flower — May 14 Direct Sow Jul 13 – Jul 23
Orange Oxheart Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 14
Orange Sulphur Cosmos Flowers flower — May 7 Direct Sow Jul 1 – Jul 16
Orange Swiss Chard lettuce — Apr 7 Direct Sow May 22 – Jun 1
Orange Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Oregon Giant Snow Pea legume — May 14 Direct Sow Jul 13
Oregon Giant Snow Pea (fall planting) legume — Jul 25 Direct Sow Sep 23
Oregon Spring Tomatoes tomato Apr 2 May 21 Transplant Jul 18 – Jul 30
Oregon Sugar Pod Snow Pea legume — May 14 Direct Sow Jul 13 – Jul 21
Oregon Sugar Pod Snow Pea (fall planting) legume — Jul 25 Direct Sow Oct 1
Orion Florence Fennel vegetable Apr 9 May 14 Transplant Aug 2 – Aug 12
Ox-Eye Daisy Flowers flower Mar 5 May 7 Transplant Perennial — see plant page
Ozark Beauty Strawberry berry — Apr 23 Plant Out Perennial — see plant page
P
Pacific Giant Pumpkin squash — May 14 Direct Sow Sep 6 – Sep 16
Padron Peppers pepper Mar 26 May 28 Transplant Jul 27
Painted Mountain Flour Corn vegetable — May 7 Direct Sow Jul 31
Pandora Striped Eggplant vegetable Mar 19 May 21 Transplant Aug 4 – Aug 9
Par-Cel Cutting Celery vegetable — May 7 Plant Out Jul 26 – Jul 31
Paris Market Carrots root vegetable — May 14 Direct Sow Jul 18
Paris Market Carrots (fall planting) root vegetable — Jul 25 Direct Sow Sep 28
Paris Yellow Pumpkin squash — May 14 Direct Sow Aug 22
Parsnip root vegetable — May 14 Direct Sow Aug 22 – Sep 21
Pasilla de Oaxaca Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Patio Princess Tomatoes tomato Apr 2 May 21 Transplant Jul 25 – Jul 30
Patriot Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Paul Robeson tomatoes tomato Mar 26 May 14 Transplant Jul 23 – Aug 7
Peach Melba Nasturtium Flowers flower — May 7 Direct Sow Jun 26 – Jul 6
Peppermint herb — May 7 Plant Out Perennial — see plant page
Pepperoncini Pepper pepper Mar 19 May 21 Transplant Jul 25 – Aug 4
Pesto Perpetuo Basil herb Apr 2 May 21 Transplant Jul 20 – Aug 19
Petch Siam Thai Eggplant vegetable — May 7 Plant Out Jul 8
Phacelia cover crop and bee forage cover crop — May 7 Direct Sow Jun 21 – Jul 6
Phacelia cover crop and bee forage (fall planting) cover crop — Jul 25 Direct Sow Sep 23
Pimento Sweet Peppers pepper Mar 19 May 21 Transplant Aug 14 – Aug 19
Pineapple Tomatillos vegetable Mar 26 May 14 Transplant Jul 23 – Aug 2
Pineapple Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 14
Pink Banana Jumbo Winter Squash squash — May 14 Direct Sow Aug 22 – Sep 1
Pink Delicious Tomatoes tomato Apr 2 May 21 Transplant Aug 9 – Aug 13
Pink Oxheart Tomatoes tomato Apr 2 May 21 Transplant Aug 9 – Aug 19
Pinkeye Purple Hull Cowpea legume — May 14 Direct Sow Jul 13 – Jul 23
Pistou Basil herb Apr 2 May 21 Transplant Jul 20
Pixie Delight Lupine Flowers flower — May 7 Direct Sow Aug 5 – Aug 25
Plains Coreopsis flower — May 7 Direct Sow Jul 6 – Jul 16
Planters Jumbo Cantaloupe Melon melon — May 21 Direct Sow Aug 14
Poblano Peppers pepper Mar 19 May 21 Transplant Jul 25
Polar Bear Zinnia Flowers flower — May 14 Direct Sow Jul 13 – Jul 23
Ponderosa Red Beefsteak Tomatoes tomato Apr 2 May 21 Transplant Aug 9 – Aug 19
Poona Kheera Cucumbers cucumber — May 14 Direct Sow Jul 8 – Jul 18
Popcorn vegetable — May 7 Direct Sow Jul 31 – Sep 4
Potato onion clusters allium — May 7 Plant Out Aug 5 – Sep 4
Powderpuff Aster Flowers flower Mar 26 May 14 Transplant Jul 28 – Aug 7
Premier Kale lettuce — Apr 7 Direct Sow May 27 – Jun 6
Premier Kale (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Pretty Purple Hot Peppers pepper Mar 19 May 21 Transplant Aug 19 – Sep 18
Prizewinner Runner Pole Bean legume — May 14 Direct Sow Jul 28 – Aug 4
Progress No. 9 Shelling Pea legume — May 14 Direct Sow Jul 11 – Jul 15
Progress No. 9 Shelling Pea (fall planting) legume — Jul 25 Direct Sow Sep 25
Provider Bush Bean legume — May 14 Direct Sow Jul 3 – Jul 8
Purple Basil herb Apr 2 May 21 Transplant Jul 30 – Aug 14
Purple Beauty Sweet Peppers pepper Mar 19 May 21 Transplant Jul 30 – Aug 4
Purple Carrots root vegetable — May 14 Direct Sow Jul 23 – Jul 28
Purple Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 8
Purple Glazer Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Purple Haze Carrots root vegetable — May 14 Direct Sow Jul 26
Purple Haze Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 6
Purple Passion Asparagus vegetable — Apr 23 Plant Out Perennial — see plant page
Purple Plum Radishes root vegetable — May 14 Direct Sow Jun 11 – Jun 13
Purple Plum Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 24
Purple Tiger Hot Peppers pepper Mar 19 May 21 Transplant Aug 19 – Aug 29
Purple Tomatillos vegetable Apr 9 May 14 Transplant Jul 28 – Aug 7
Purple Top White Globe Turnip root vegetable — May 14 Direct Sow Jul 3
Purple Top White Globe Turnip (fall planting) root vegetable — Jul 25 Direct Sow Sep 13
Pápalo leaves herb — May 7 Direct Sow Jul 16 – Jul 26
Q
Queen Anne's Lace Flowers flower — May 7 Direct Sow Jul 11 – Jul 21
Queen Anne's Lace Flowers (fall planting) flower — Jul 25 Direct Sow Oct 8
Queensland Blue Winter Squash squash — May 14 Direct Sow Aug 22 – Sep 11
Quinault Strawberry berry — Apr 23 Plant Out Perennial — see plant page
R
Radicchio lettuce — Apr 7 Direct Sow Jun 6 – Jul 1
Rainbow Corn vegetable — May 14 Direct Sow Aug 27 – Sep 6
Rainbow Mix Swiss Chard lettuce — Apr 7 Direct Sow May 27 – Jun 6
Rainbow Mix Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Rambo Radish Microgreens microgreen — May 7 Plant Out May 17 – May 22
Rambo Radish Microgreens (fall planting) microgreen — Jul 25 Direct Sow Aug 9
Rapeseed Cover Crop cover crop — Apr 23 Direct Sow Jun 7 – Jul 2
Rapeseed Cover Crop (fall planting) cover crop — Jul 25 Direct Sow Oct 3
Rapini Broccoli Raab brassica — Apr 7 Direct Sow Jun 11
Rapini Broccoli Raab (fall planting) brassica — Jul 25 Direct Sow Sep 28
Raspberry Shortcake berry — Apr 23 Plant Out Perennial — see plant page
Rattlesnake Pole Bean legume — May 14 Direct Sow Jul 13 – Jul 23
Red Acre Cabbage brassica Mar 12 Apr 16 Transplant Jun 30 – Jul 5
Red Acre Cabbage (fall planting) brassica — Jul 25 Direct Sow Oct 13
Red Burgundy Okra vegetable — May 21 Direct Sow Jul 15 – Jul 20
Red Burgundy Onions allium Mar 5 May 7 Transplant Aug 25 – Sep 4
Red Cabbage brassica Apr 16 May 21 Transplant Jul 20 – Aug 29
Red Caribbean Habanero Hot Peppers pepper Mar 19 May 21 Transplant Aug 14 – Sep 3
Red Cayenne Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Red Cherry Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 9
Red Currant Tomato tomato — May 7 Plant Out Jul 16 – Jul 26
Red Garnet Amaranth vegetable — May 14 Direct Sow Jul 8 – Jul 13
Red Lake currant shrubs berry — Apr 23 Plant Out Perennial — see plant page
Red Leaf Lettuce lettuce — Apr 7 Direct Sow May 22 – Jun 1
Red Leaf Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Red Mushroom Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Red Orach lettuce — Apr 7 Direct Sow May 22
Red Orach (fall planting) lettuce — Jul 25 Direct Sow Sep 8
Red Pear Tomatoes tomato Apr 2 May 21 Transplant Jul 25 – Aug 4
Red Pontiac Potato root vegetable — May 14 Direct Sow Aug 12 – Sep 1
Red Prairie Mexican Hat Flowers flower — May 14 Direct Sow Perennial — see plant page
Red Robin Tomatoes tomato Apr 2 May 21 Transplant Jul 15
Red Romaine Lettuce lettuce — Apr 7 Direct Sow Jun 6 – Jun 16
Red Romaine Lettuce (fall planting) lettuce — Jul 25 Direct Sow Oct 3
Red Rubin Basil herb Apr 2 May 21 Transplant Aug 1
Red Russian Kale lettuce — Apr 7 Direct Sow May 17 – May 27
Red Russian Kale (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Red Scotch Bonnet Pepper pepper Mar 12 May 21 Transplant Aug 24 – Sep 18
Red Vein Sorrel lettuce — Apr 7 Direct Sow Perennial — see plant page
Red Velvet Leaf Basil herb Apr 9 May 14 Transplant Jul 18 – Aug 2
Red-Stem Malabar Spinach lettuce — Apr 7 Direct Sow Jun 1 – Jun 16
Rhubarb vegetable — May 7 Plant Out Perennial — see plant page
Rio Grande Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Roma II Bush Bean legume — May 14 Direct Sow Jul 6 – Jul 12
Roma VF Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Romaine Lettuce lettuce — Apr 7 Direct Sow Jun 11 – Jun 21
Romaine Lettuce (fall planting) lettuce — Jul 25 Direct Sow Oct 8
Roman Chamomile herb Mar 19 May 7 Transplant Perennial — see plant page
Romanesco brassica Apr 16 May 21 Transplant Aug 4 – Aug 29
Romano Pole Bean legume — May 14 Direct Sow Jul 13 – Jul 21
Roselle calyces and leaves vegetable Apr 9 May 14 Transplant Oct 11 – Nov 10
Rosemary herb Mar 5 May 21 Transplant Perennial — see plant page
Round de Nice Zucchini Summer Squash squash — May 14 Direct Sow Jul 5
Round Mauve Eggplant vegetable Mar 19 May 21 Transplant Aug 9 – Aug 19
Royal Burgundy Bush Bean legume — May 14 Direct Sow Jul 8
Royal Carpet Alyssum Flowers flower — Apr 30 Direct Sow Jun 14 – Jun 29
Royal Carpet Alyssum Flowers (fall planting) flower — Jul 25 Direct Sow Sep 23
Royalty Purple Raspberry berry — May 7 Plant Out Perennial — see plant page
Ruby Red Swiss Chard lettuce — Apr 7 Direct Sow Jun 1 – Jun 6
Ruby Red Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Rue herb Mar 19 May 7 Transplant Perennial — see plant page
Russell Mix Lupine Flowers flower — May 7 Direct Sow Perennial — see plant page
Russian Tarragon herb — May 7 Direct Sow Perennial — see plant page
Rutgers Tomato tomato Apr 2 May 21 Transplant Jul 30 – Aug 9
S
Sakura Tomatoes tomato Apr 2 May 21 Transplant Jul 15 – Jul 20
Salad Bowl Green Lettuce lettuce — Apr 7 Direct Sow May 26 – May 27
Salad Bowl Green Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Salad Burnet herb — Apr 30 Direct Sow Perennial — see plant page
Salad Bush Cucumbers cucumber — May 14 Direct Sow Jul 10 – Jul 11
San Andreas Strawberries berry — Apr 23 Plant Out Perennial — see plant page
San Marzano Tomatoes tomato Mar 19 May 21 Transplant Aug 7 – Aug 17
Santa Fe Grande Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 9
Savoy Perfection Cabbage brassica Mar 19 Apr 23 Transplant Jul 22 – Jul 27
Scarlet Flax Flowers flower — Apr 23 Direct Sow Jun 17 – Jul 2
Scarlet Flax Flowers (fall planting) flower — Jul 25 Direct Sow Oct 3
Scarlet Runner Bean legume — May 14 Direct Sow Perennial — see plant page
Scarlet Sage Flowers flower Apr 9 May 14 Transplant Perennial — see plant page
Seascape Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Serrano Peppers pepper Mar 19 May 21 Transplant Jul 30 – Aug 9
Shallot allium — Apr 16 Plant Out Jul 15 – Aug 14
Shasta Daisy Flowers flower Mar 5 May 7 Transplant Perennial — see plant page
Shelling Pea legume — May 14 Direct Sow Jul 8 – Jul 23
Shelling Pea (fall planting) legume — Jul 25 Direct Sow Oct 3
Shishito Peppers pepper Mar 26 May 28 Transplant Jul 27 – Aug 1
Showy Pink Ladies Evening Primrose Flowers flower — May 7 Direct Sow Perennial — see plant page
Shungiku (Edible Chrysanthemum) lettuce — Apr 7 Direct Sow May 17 – Jun 1
Shungiku (Edible Chrysanthemum) (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Siberian Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Signet marigold edible flowers flower — May 7 Direct Sow Jul 6 – Jul 11
Silver Queen Sweet Corn vegetable — May 7 Direct Sow Aug 5 – Aug 7
Single Mix China Aster Flowers flower Mar 26 May 14 Transplant Jul 23 – Aug 2
Slenderette Bush Bean legume — May 14 Direct Sow Jul 6 – Jul 10
Slow-Bolt (Slo-Bolt) Cilantro/Coriander herb — May 7 Direct Sow Jun 4 – Jun 16
Slow-Bolt (Slo-Bolt) Cilantro/Coriander (fall planting) herb — Jul 25 Direct Sow Sep 3
Smooth Blue Aster Flowers flower — Apr 30 Direct Sow Perennial — see plant page
Snow Crown Cauliflower brassica Apr 16 May 21 Transplant Jul 10 – Jul 20
Snow Crown Cauliflower (fall planting) brassica — Jul 25 Direct Sow Sep 23
Snow Pea legume — May 14 Direct Sow Jul 5 – Jul 23
Snow Pea (fall planting) legume — Jul 25 Direct Sow Oct 3
Snow White Carrots root vegetable — May 14 Direct Sow Jul 23 – Jul 28
Snow White Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 8
Snowball Self-Blanche Cauliflower brassica Mar 19 Apr 23 Transplant Jun 27
Snowball Self-Blanche Cauliflower (fall planting) brassica — Jul 25 Direct Sow Sep 28
Soapwort flower Mar 26 May 14 Transplant Perennial — see plant page
Softneck Garlic allium — Oct 14 Plant Out Jul 1, 2027 – Jul 20, 2027
Solar Yellow Carrots root vegetable — May 14 Direct Sow Jul 23 – Jul 28
Solar Yellow Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 8
Southport Red Globe Onions allium Mar 5 May 7 Transplant Sep 4
Southport White Globe Onions allium Mar 5 May 7 Transplant Sep 4
Spacemaster Bush Cucumber cucumber — May 14 Direct Sow Jul 13 – Jul 18
Spaghetti Squash squash Apr 23 May 21 Transplant Aug 17 – Aug 29
Spanish Sweet White Onions allium Mar 5 May 7 Transplant Aug 25 – Sep 4
Sparkle Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Sparkler Radishes root vegetable — May 14 Direct Sow Jun 8 – Jun 13
Sparkler Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 24
Sparky Mix Marigolds flower Apr 2 May 7 Transplant Jul 1 – Jul 16
Spearmint herb — May 7 Plant Out Perennial — see plant page
Speckled Pea Shoot Microgreens microgreen — May 7 Plant Out May 15 – May 21
Speckled Pea Shoot Microgreens (fall planting) microgreen — Jul 25 Direct Sow Aug 8
Spicy Globe Basil herb Apr 2 May 21 Transplant Jul 30
St. Valery Carrots root vegetable — May 14 Direct Sow Jul 23
St. Valery Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 3
Stevia herb Apr 2 May 21 Transplant Perennial — see plant page
Straight Eight Cucumber cucumber — May 14 Direct Sow Jul 13 – Jul 18
Stupice Tomatoes tomato Apr 2 May 21 Transplant Jul 15 – Jul 30
Sugar Ann Snap Pea legume — May 14 Direct Sow Jul 8
Sugar Ann Snap Pea (fall planting) legume — Jul 25 Direct Sow Sep 18
Sugar Baby Watermelon melon Apr 23 May 21 Transplant Aug 4 – Aug 9
Sugar Pie Pumpkin squash Apr 23 May 21 Transplant Aug 19 – Sep 8
Sugar Snap Pea legume — May 14 Direct Sow Jul 8 – Jul 23
Sugar Snap Pea (fall planting) legume — Jul 26 Direct Sow Oct 4
Summer Bibb Lettuce lettuce — Apr 7 Direct Sow Jun 1 – Jun 6
Summer Bibb Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Summer Carnival Mix Hollyhock Flowers flower — May 7 Direct Sow Sep 4 – Sep 27 (before frost)
Summer Max Mix Cover Crop cover crop — May 21 Direct Sow Jul 5 – Jul 20
Summer Savory herb — May 14 Direct Sow Jul 8 – Jul 18
Sun Gold Sunflowers flower — May 14 Direct Sow Aug 2 – Aug 17
Sun Gold Tomatoes tomato Apr 2 May 21 Transplant Jul 17 – Jul 25
Sunbright Yellow Sweet Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 9
SunChocola Tomatoes tomato Apr 2 May 21 Transplant Jul 20 – Jul 30
Sungella Tomatoes tomato Apr 2 May 21 Transplant Jul 20 – Jul 30
Sunray Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 9
Sunshine Blue Blueberry berry — May 14 Plant Out Perennial — see plant page
Sunshine Kabocha Squash squash — May 14 Direct Sow Aug 17 – Aug 22
Sunspot Sunflowers flower — May 14 Direct Sow Jul 8 – Jul 23
Surecrop Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Suyo Long Cucumbers cucumber — May 14 Direct Sow Jul 13 – Jul 18
Sweet 100 Tomatoes tomato Apr 2 May 21 Transplant Jul 20 – Jul 25
Sweet Alyssum flower Apr 2 May 21 Transplant Jun 30 – Jul 15
Sweet Marjoram herb Mar 26 May 14 Transplant Jul 28 – Aug 12
Sweet Million Tomatoes tomato Apr 2 May 21 Transplant Jul 20 – Jul 25
Sweet Success Cucumbers cucumber — May 14 Direct Sow Jul 7 – Jul 11
Sweet Treats Tomatoes tomato Apr 2 May 21 Transplant Jul 25 – Aug 4
Sweet Woodruff herb Mar 19 May 7 Transplant Perennial — see plant page
Swiss Chard lettuce — Apr 7 Direct Sow May 27 – Jun 6
Swiss Chard (fall planting) lettuce — Jul 25 Direct Sow Sep 23
T
Tabasco Hot Peppers pepper Mar 19 May 21 Transplant Aug 9 – Aug 19
Table Queen Acorn Squash squash Apr 23 May 21 Transplant Aug 9 – Aug 29
Tall Trailing Mix Nasturtium Flowers flower — May 7 Direct Sow Jul 1 – Jul 16
Tall Utah 52-70 Celery vegetable Mar 5 May 21 Transplant Aug 29 – Sep 28
Tango Lettuce lettuce — Apr 7 Direct Sow May 23
Tango Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 9
Tansy herb Mar 19 May 7 Transplant Perennial — see plant page
Tasty Jade Cucumbers cucumber — May 14 Direct Sow Jul 7
Tatsoi lettuce — Apr 7 Direct Sow May 2 – May 22
Tatsoi (fall planting) lettuce — Jul 25 Direct Sow Sep 8
Tavera Filet Bean legume — May 14 Direct Sow Jul 7
Taylor Dwarf Bush Bean legume — May 14 Direct Sow Jul 18 – Jul 21
Tendercrisp Celery vegetable Feb 26 May 14 Transplant Aug 12 – Aug 27
Tendergreen Burpless Cucumber cucumber — May 14 Direct Sow Jul 18
Tendergreen Bush Bean legume — May 14 Direct Sow Jul 3 – Jul 8
Tendergreen Mustard lettuce — Apr 7 Direct Sow May 17 – May 27
Tendergreen Mustard (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Tendersweet Carrots root vegetable — May 14 Direct Sow Jul 23
Tendersweet Carrots (fall planting) root vegetable — Jul 25 Direct Sow Oct 3
Tendersweet Orange Watermelon melon — May 21 Direct Sow Aug 19 – Aug 24
Tepin Hot Peppers pepper Mar 5 May 21 Transplant Sep 18 – Sep 27 (before frost)
Texas Bluebonnet Lupine Flowers flower — May 7 Direct Sow Jul 21 – Aug 10
Thai Basil herb Apr 2 May 21 Transplant Jul 20 – Jul 25
Thai Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Thessaloniki Tomatoes tomato Apr 2 May 21 Transplant Jul 21 – Aug 1
Thorogreen Bush Lima Bean legume — May 14 Direct Sow Jul 18 – Jul 28
Tiger Eye Bean legume — May 14 Direct Sow Aug 2 – Aug 12
Tigerella Tomatoes tomato Apr 2 May 21 Transplant Jul 15 – Jul 30
Tiny Tim Tomatoes tomato Apr 2 May 21 Transplant Jul 5 – Jul 15
Tom Thumb Lettuce lettuce — Apr 7 Direct Sow May 27 – Jun 16
Tom Thumb Lettuce (fall planting) lettuce — Jul 25 Direct Sow Oct 3
Tom Watson Watermelon melon — May 21 Direct Sow Aug 14
Tomatillo vegetable Apr 16 May 21 Transplant Jul 20 – Aug 14
Tongue of Fire Bean legume — May 14 Direct Sow Jul 13 – Aug 17
Top Crop Bush Bean legume — May 14 Direct Sow Jul 3 – Jul 8
Top Hat Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Toro Blueberry berry — Apr 23 Plant Out Perennial — see plant page
Tri Color Amaranth (Joseph's Coat) vegetable — May 14 Direct Sow Jun 13 – Jun 28
Tri-X 313 Seedless Watermelon melon Apr 16 May 21 Transplant Jul 25 – Aug 4
Trinidad Moruga Scorpion peppers pepper Mar 5 May 21 Transplant Aug 9 – Sep 18
Triple Crown Blackberry berry — May 7 Plant Out Perennial — see plant page
Tristar Strawberry berry — Apr 23 Plant Out Perennial — see plant page
Tropical Milkweed Flowers flower Mar 26 May 14 Transplant Perennial — see plant page
Trucker's Favorite Corn vegetable — May 14 Direct Sow Jul 28 – Aug 7
True Watercress vegetable — May 7 Direct Sow Perennial — see plant page
Très Fine Maraîchère Frisée lettuce — Apr 7 Direct Sow Jun 6
Très Fine Maraîchère Frisée (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Tumbling Tom Red Tomatoes tomato Apr 2 May 21 Transplant Jul 25 – Jul 30
Turkish Orange Eggplant vegetable Mar 19 May 21 Transplant Aug 14 – Aug 19
Tuscany Black Kale lettuce — Apr 7 Direct Sow Jun 6 – Jun 21
Tuscany Black Kale (fall planting) lettuce — Jul 25 Direct Sow Oct 8
U
Upland Cress vegetable — May 7 Direct Sow Perennial — see plant page
V
Vates Collard lettuce — Apr 7 Direct Sow Jun 6 – Jun 21
Vates Collard (fall planting) lettuce — Jul 25 Direct Sow Oct 8
Vates Kale lettuce — Apr 7 Direct Sow May 27 – Jun 1
Vates Kale (fall planting) lettuce — Jul 25 Direct Sow Sep 18
Velvet Queen Sunflowers flower — May 14 Direct Sow Jul 28 – Aug 12
Verde Tomatillos vegetable Apr 9 May 14 Transplant Jul 28 – Aug 7
Vermont Cranberry Bean legume — May 14 Direct Sow Jul 18 – Aug 17
Verona Red Chicory lettuce — Apr 7 Direct Sow Jul 1 – Jul 8
Victoria Rhubarb vegetable Mar 5 Apr 23 Transplant Perennial — see plant page
Vienna Purple Kohlrabi brassica — Apr 7 Direct Sow Jun 1 – Jun 11
Vienna Purple Kohlrabi (fall planting) brassica — Jul 25 Direct Sow Sep 28
Vienna White Kohlrabi brassica — Apr 7 Direct Sow Jun 1
Vienna White Kohlrabi (fall planting) brassica — Jul 25 Direct Sow Sep 18
Vietnamese Coriander herb — May 14 Plant Out Perennial — see plant page
Viola and pansy edible flowers flower Feb 12 Apr 23 Transplant Jun 22 – Jul 2
Viola and pansy edible flowers (fall planting) flower — Jul 25 Direct Sow Oct 3
Violetta Purple Cauliflower brassica Mar 19 Apr 23 Transplant Jun 27
Violetta Purple Cauliflower (fall planting) brassica — Jul 25 Direct Sow Sep 28
VR Moscow Tomatoes tomato Apr 2 May 21 Transplant Aug 9 – Aug 19
W
Waltham 29 Broccoli brassica Apr 16 May 21 Transplant Aug 4 – Aug 19
Waltham Butternut Squash squash Apr 23 May 21 Transplant Aug 29 – Sep 18
Wando Pea legume — May 14 Direct Sow Jul 16 – Jul 21
Wando Pea (fall planting) legume — Jul 25 Direct Sow Oct 1
Watermelon Radishes root vegetable — May 14 Direct Sow Jul 3 – Jul 18
Watermelon Radishes (fall planting) root vegetable — Jul 25 Direct Sow Sep 28
Wautoma Cucumbers cucumber — May 14 Direct Sow Jul 13
Wee Be Little Pumpkin squash — May 14 Direct Sow Aug 7
West Indian Burr Gherkin Cucumber cucumber — May 14 Direct Sow Jul 8 – Jul 18
Whirlybird Nasturtium Flowers flower — May 7 Direct Sow Jun 26 – Jul 6
White Boston Lettuce lettuce — Apr 7 Direct Sow May 17 – May 27
White Boston Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 13
White Cherry Tomatoes tomato Apr 2 May 21 Transplant Jul 19 – Jul 30
White Cloud Sweet Peppers pepper Mar 19 May 21 Transplant Jul 30 – Aug 4
White clover living mulch cover crop — May 7 Direct Sow Perennial — see plant page
White Cushaw Crookneck Winter Squash squash — May 14 Direct Sow Aug 22
White Detroit Beets root vegetable — May 14 Direct Sow Jul 8 – Jul 13
White Detroit Beets (fall planting) root vegetable — Jul 25 Direct Sow Sep 23
White Emergo Runner Pole Bean legume — May 14 Direct Sow Jul 28 – Aug 2
White Icicle Radishes root vegetable — May 14 Direct Sow Jun 13
White Icicle Radishes (fall planting) root vegetable — Jul 25 Direct Sow Aug 24
White Lisbon Bunching Onions allium Mar 19 May 7 Transplant Jul 6
White Lisbon Bunching Onions (fall planting) allium — Jul 25 Direct Sow Sep 23
White Marrow Summer Squash squash — May 14 Direct Sow Aug 7
White Wonder Cucumber cucumber — May 14 Direct Sow Jul 8 – Jul 13
Winner Kohlrabi brassica — Apr 7 Direct Sow May 22 – May 27
Winner Kohlrabi (fall planting) brassica — Jul 25 Direct Sow Sep 13
Winter Density Lettuce lettuce — Apr 7 Direct Sow May 31 – Jun 6
Winter Density Lettuce (fall planting) lettuce — Jul 25 Direct Sow Sep 23
Winter Giant Spinach lettuce — Apr 7 Direct Sow May 22 – May 27
Winter Giant Spinach (fall planting) lettuce — Jul 25 Direct Sow Sep 13
Winter rye cover crop stands cover crop — May 7 Direct Sow Nov 3 – Dec 13
Winter Savory herb — May 14 Plant Out Perennial — see plant page
Wisconsin SMR 58 Cucumbers cucumber — May 14 Direct Sow Jul 8 – Jul 11
Witloof White Chicory lettuce — Apr 7 Direct Sow Jul 26 – Aug 15
Wormwood herb Mar 19 May 7 Transplant Perennial — see plant page
Y
Yard Long Bean legume — May 14 Direct Sow Jul 13 – Aug 12
Yarrow flower — May 7 Plant Out Perennial — see plant page
Yellow Beefsteak Tomatoes tomato Apr 2 May 21 Transplant Aug 4 – Aug 14
Yellow Crookneck Squash squash Apr 23 May 21 Transplant Jul 10 – Jul 20
Yellow Jalapeno (Caloro) Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Yellow Mushroom Hot Peppers pepper Mar 19 May 21 Transplant Aug 4 – Aug 14
Yellow Oxheart Tomatoes tomato Apr 2 May 21 Transplant Aug 8
Yellow Pear Tomatoes tomato Apr 2 May 21 Transplant Jul 30 – Aug 9
Yellow Scotch Bonnet Hot Peppers pepper Mar 19 May 21 Transplant Aug 19 – Sep 18
Yellow Sulphur Cosmos Flowers flower — May 7 Direct Sow Jul 1 – Jul 16
Yellow Sweet Blossom Clover Cover Crop cover crop — Apr 23 Direct Sow Jun 22 – Jul 22
Yolo Wonder Sweet Peppers pepper Mar 19 May 21 Transplant Jul 30 – Aug 9
Yukon Gold Potato root vegetable — May 14 Direct Sow Jul 23 – Aug 12
Z
Zinnia flower Apr 16 May 21 Transplant Jul 20 – Aug 19

Browse Zone 5A by Month

See exactly what to plant, transplant, and harvest each month in Zone 5A.

Zone 5A Growing Tips

States in Zone 5A

Zone 5A spans parts of these states. Note that zone boundaries run within states — check your specific ZIP code for your exact zone.

Minnesota Wisconsin Michigan (Upper Peninsula) Vermont New Hampshire Maine Montana (east) Wyoming (north)

What works well in Zone 5A

Zone 5a's short season and wide last-frost variability reward gardeners who start warm-season crops indoors, warm soil before transplanting, and protect spring and fall shoulders.

Row cover / frost blanket

Critical

Row cover adds frost protection, speeds early growth, and physically excludes insect pests without spraying. Look for spun-bonded fabric with a stated weight and frost rating, UV resistance, and enough width for hoops or low tunnels.

Source: University of Maryland Extension; University of New Hampshire Extension; Colorado State University Extension

Seed starting tray + heat mat

Critical

For crops started indoors before transplanting, this tray-and-mat combo improves germination consistency. Bottom heat speeds and evens germination; warm-season crops in particular want it, while cool-season transplants germinate fine at the lower end of the range. Look for a rigid tray, cell inserts with drainage, and a mat paired with a thermostat.

Source: Utah State University Extension; Iowa State University Extension; Mississippi State University Extension

Plastic mulch for melon beds

High

UMN Extension emphasizes waiting for warm soil for melons and notes that plastic mulches warm the soil. Melons demand warm soil and a long season, so root-zone warming materially improves establishment.

Source: UMN Extension

Budget Black Plastic Mulch (4 ft x 100 ft, 1.0 mil) 1.0 mil embossed black mulch film at home-garden roll size. Heats soil 5-10°F over bare ground per extension research. Embossed surface improves soil contact and reduces wind lift. Best for one or two raised beds. View on Amazon paid link SoilStack earns a small commission from qualifying Amazon purchases at no extra cost to you. Commissions help keep the site free and ad-free. We only recommend products that match published extension-service specs. Best value Black Plastic Mulch (4 ft x 250 ft, 1.0 mil) Same 1.0 mil embossed film at 2.5x the length for only a few dollars more. Better per-foot economics for gardeners with multiple beds or planning multiple seasons of use. Store the unused portion rolled and dry between seasons. View on Amazon paid link SoilStack earns a small commission from qualifying Amazon purchases at no extra cost to you. Commissions help keep the site free and ad-free. We only recommend products that match published extension-service specs. Premium Red Plastic Mulch (4 ft x 250 ft, 1.0 mil) Red mulch reflects far-red light back into the canopy, which UMN Extension and other extension trials have linked to 12-20% tomato yield increases over black mulch. Same 1.0 mil embossed spec, swapped for the color that matters when growing tomatoes specifically. View on Amazon paid link SoilStack earns a small commission from qualifying Amazon purchases at no extra cost to you. Commissions help keep the site free and ad-free. We only recommend products that match published extension-service specs.

Clean straw mulch for berry rows

High

Penn State Extension says strawberry plantings require mulch for winter protection from cold and soil heaving and recommends about 4 inches of clean straw. It insulates shallow crowns and keeps fruiting zones cleaner.

Source: Penn State Extension

Soil thermometer

Medium

University of Minnesota Extension recommends measuring soil temperature 2 to 4 inches below the surface to decide when warm-season crops can actually be planted, because air temperature and average frost dates do not reliably predict whether soil is warm enough for germination. A dedicated soil thermometer with a 4 to 6 inch stainless steel probe gives gardeners a deterministic reading instead of relying on the calendar alone, which matters most in zones with wide last-frost variability. Look for a waterproof stainless steel stem, a clearly marked vegetable-garden temperature range, and a readable analog or digital display at planting depth.

Source: University of Minnesota Extension

Budget Soil Thermometer (5" stem) 5-inch waterproof stainless steel stem, 0-220°F range. Purpose-built for seeding and transplanting decisions, not a multi-meter combo. Established US instrument brand with consistent accuracy reviews. View on Amazon paid link SoilStack earns a small commission from qualifying Amazon purchases at no extra cost to you. Commissions help keep the site free and ad-free. We only recommend products that match published extension-service specs. Best value Stainless Steel Soil Thermometer (5" stem, 1.5" dial) 5-inch (127mm) stainless steel stem, 0-220°F range, 1.5-inch easy-read dial. Stronger review count and slightly larger display than the budget option, with the same temperature range. View on Amazon paid link SoilStack earns a small commission from qualifying Amazon purchases at no extra cost to you. Commissions help keep the site free and ad-free. We only recommend products that match published extension-service specs. Premium Stainless Steel Soil Thermometer (6" stem, 3" dial) 6-inch stainless steel stem with a large 3-inch glass-covered dial, ±2°F accuracy with 2°F subdivisions, calibration adjustment, 1-year warranty. The most readable and most accurate of the three; best for older eyes or quick spring readings without bending close. View on Amazon paid link SoilStack earns a small commission from qualifying Amazon purchases at no extra cost to you. Commissions help keep the site free and ad-free. We only recommend products that match published extension-service specs.
As an Amazon Associate I earn from qualifying purchases. These are Amazon affiliate links -- if you buy through them, SoilStack earns a small commission at no extra cost to you. Commissions help keep the site free and ad-free. We only recommend products that match published extension-service specs.

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Frost dates from NOAA NCEI 1991-2020 U.S. Climate Normals (dataset gov.noaa.ncdc:C01619; methodology Palecki et al. 2021), aggregated across 2,257 ZIP codes in Zone 5A. First fall frost is aggregated the same way as spring, from NOAA element ANN-TMIN-PRBFST-T32F. Growing season is NOAA's own published normal (ANN-TMIN-PRBGSL-T32F), measured per year and then averaged — not the gap between the two dates above, which is a slightly different quantity. Planting dates are averages based on zone frost dates and standard horticultural timing — adjust for your local microclimate.