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Zone 4A — April

What to Plant in April in Zone 4A

April in Zone 4A: 234 crops to start indoors, 71 to plant or direct sow outside, and 0 entering harvest window. Last frost averages May 14. Reference city: Fargo, ND.
Updated August 12, 2026 · Frost data from NOAA 1991-2020 Climate Normals
234 Start Indoors
71 Plant Outside
0 Harvest
Frost risk: High

Frost risk is still high in Zone 4A. The last spring frost typically lands on May 14, with the earliest plausible clearance around May 1. Hold tender crops indoors a while longer.

See full Zone 4A frost outlook →

Start Indoors in April

Plant Type Start Indoors Transplant Outside Harvest Window
Alaska Early Pea legume Apr 16 Apr 23 Jun 17 – Jun 22
All Season Cabbage brassica Apr 16 Apr 30 Jul 9 – Jul 19
All Year Round Cauliflower brassica Apr 16 Apr 30 Jul 4
Berry Blue honeyberry shrubs berry Apr 30 Apr 30 Perennial — see plant page
Black Salsify root vegetable Apr 9 Apr 16 Perennial — see plant page
Blue Flax Flowers flower Apr 23 Apr 30 Perennial — see plant page
Bouquet Dill herb Apr 23 Apr 30 Jun 19 – Jul 4
Broad Windsor Fava Bean legume Apr 16 Apr 23 Jul 7 – Jul 17
Brunswick Cabbage brassica Apr 16 Apr 30 Jul 19 – Jul 29
Calabrese Broccoli brassica Apr 16 Apr 30 Jul 4
Caraway herb Apr 16 Apr 23 Perennial — see plant page
Carentan Leeks allium Apr 9 Apr 30 Jul 29 – Aug 18
Cascadia Sugar Snap Pea legume Apr 16 Apr 23 Jun 27 – Jun 29
Charleston Wakefield Cabbage brassica Apr 9 Apr 23 Jul 7
Chervil herb Apr 16 Apr 23 May 28 – Jun 7
Chinese Forget-Me-Not Flowers flower Apr 23 Apr 30 Jul 4 – Jul 24
Copenhagen Cabbage brassica Apr 16 Apr 30 Jul 4
Crimson Cherry Rhubarb Root vegetable Apr 9 Apr 16 Perennial — see plant page
Dandelion herb Apr 16 Apr 23 Perennial — see plant page
Danish Ballhead Cabbage brassica Apr 16 Apr 30 Aug 8 – Aug 18
Dark Green Italian Giant Parsley herb Apr 23 Apr 30 Jun 29 – Jul 14
Delicatesse Blue Kohlrabi brassica Apr 16 Apr 23 Jun 17 – Jun 22
Delicatesse White Kohlrabi brassica Apr 16 Apr 23 Jun 17 – Jun 22
Di Cicco Broccoli brassica Apr 16 Apr 30 Jul 4
Drumhead Cabbage brassica Apr 16 Apr 30 Jul 29 – Aug 8
Dukat Dill herb Apr 23 Apr 30 Jun 9 – Jun 19
Dutch Yellow Shallots allium Apr 9 Apr 16 Jul 15 – Aug 14
Early Jersey Wakefield Cabbage brassica Apr 9 Apr 23 Jun 27 – Jul 7
Early Purple Broccoli brassica Apr 16 Apr 30 Jul 4
Evergreen Parsley herb Apr 23 Apr 30 Jul 9 – Jul 24
Fenugreek herb Apr 23 Apr 30 Jun 4 – Jun 19
French Red Shallots allium Apr 9 Apr 16 Jul 15 – Aug 14
Giant Imperial Mix Larkspur Flowers flower Apr 16 Apr 23 Aug 1 – Aug 21
Giant Musselburgh Leeks allium Apr 9 Apr 30 Aug 8 – Aug 13
Glory of Enkhuizen Cabbage brassica Apr 16 Apr 30 Jul 29
Golden Acre Cabbage brassica Apr 16 Apr 30 Jul 4
Green Arrow Pea legume Apr 16 Apr 23 Jun 27 – Jul 2
Hamburg Rooted Parsley herb Apr 23 Apr 30 Jul 29 – Aug 18
Hard Red Wheat Cover Crop cover crop Apr 16 Apr 23 Jul 7 – Jul 27
Holland Red Shallots allium Apr 9 Apr 16 Jul 15 – Aug 14
Honeycrisp apple trees berry Apr 30 Apr 30 Perennial — see plant page
Igloo Cauliflower brassica Apr 16 Apr 30 Jul 4 – Jul 9
Invicta gooseberry shrubs berry Apr 30 Apr 30 Perennial — see plant page
Little Marvel Pea legume Apr 16 Apr 23 Jun 22 – Jun 25
Mammoth Dill herb Apr 23 Apr 30 Jun 14 – Jul 4
Mammoth Melting Sugar Snow Pea legume Apr 16 Apr 23 Jun 30 – Jul 6
Mary Washington Asparagus vegetable Apr 23 Apr 30 Perennial — see plant page
Medium Red Clover Cover Crop cover crop Apr 23 Apr 30 Jun 29 – Jul 14
Michihili Cabbage brassica Apr 9 Apr 23 Jul 2
Millennium Asparagus vegetable Apr 23 Apr 30 Perennial — see plant page
OG American Flag Leeks allium Apr 9 Apr 30 Jul 29 – Aug 8
Oregon Giant Snow Pea legume Apr 16 Apr 23 Jul 2 – Jul 6
Oregon Sugar Pod Snow Pea legume Apr 16 Apr 23 Jun 22 – Jun 30
Progress No. 9 Shelling Pea legume Apr 16 Apr 23 Jun 20 – Jun 24
Purple Passion Asparagus vegetable Apr 23 Apr 30 Perennial — see plant page
Rapeseed Cover Crop cover crop Apr 23 Apr 30 Jun 14 – Jul 9
Rapini Broccoli Raab brassica Apr 23 Apr 30 Jul 4
Red Acre Cabbage brassica Apr 9 Apr 23 Jul 7 – Jul 12
Red Lake currant shrubs berry Apr 30 Apr 30 Perennial — see plant page
Savoy Perfection Cabbage brassica Apr 16 Apr 30 Jul 29 – Aug 3
Scarlet Flax Flowers flower Apr 23 Apr 30 Jun 24 – Jul 9
Shungiku (Edible Chrysanthemum) lettuce Apr 23 Apr 30 Jun 9 – Jun 24
Snowball Self-Blanche Cauliflower brassica Apr 16 Apr 30 Jul 4
Sugar Ann Snap Pea legume Apr 16 Apr 23 Jun 14 – Jun 18
Victoria Rhubarb vegetable Apr 9 Apr 30 Perennial — see plant page
Vienna Purple Kohlrabi brassica Apr 16 Apr 23 Jun 17 – Jun 27
Vienna White Kohlrabi brassica Apr 16 Apr 23 Jun 27
Violetta Purple Cauliflower brassica Apr 16 Apr 30 Jul 4
Wando Pea legume Apr 16 Apr 23 Jun 25 – Jun 30
Yellow Sweet Blossom Clover Cover Crop cover crop Apr 23 Apr 30 Jun 29 – Jul 29
African Flake Daisy Flowers flower Apr 30 May 14 Aug 12 – Aug 22
Aji Amarillo Peppers pepper Apr 23 May 28 Aug 26 – Sep 25
Aji Dulce Peppers pepper Apr 23 May 28 Aug 26 – Sep 15
Alexandria Alpine Strawberry berry Apr 9 May 21 Perennial — see plant page
Alfalfa Cover Crop cover crop Apr 30 May 7 Perennial — see plant page
Amish Paste Tomatoes tomato Apr 30 May 28 Aug 10 – Aug 21
Anaheim Peppers pepper Apr 23 May 28 Aug 13 – Aug 21
Ancho Grande Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
Angelica herb Apr 16 May 14 Aug 2 – Aug 12
Baby's Breath Flowers flower Apr 23 May 14 Perennial — see plant page
Barletta, Pearly White Onions root vegetable Apr 16 May 14 Jul 28 – Aug 2
Bhut Jolokia Ghost Pepper pepper Apr 23 May 28 Aug 26 – Sep 25
Big Jim Hatch Chile pepper Apr 23 May 28 Aug 6 – Aug 11
Birds Eye Hot Peppers pepper Apr 30 May 28 Sep 5 – Sep 15
Black Beauty Zucchini squash Apr 27 May 25 Jul 9 – Jul 19
Black Cherry Tomatoes tomato Apr 30 May 28 Jul 31 – Aug 11
Butternut Squash squash Apr 30 May 28 Sep 5 – Sep 25
Cantaloupe melon Apr 30 May 28 Aug 16 – Aug 26
Cardoon (Purple Artichoke Thistle) vegetable Apr 23 May 21 Perennial — see plant page
Caribbean Red Scotch Bonnet Pepper pepper Apr 23 May 28 Aug 31 – Sep 25
Carolina Reaper peppers pepper Apr 16 May 28 Aug 26 – Sep 25
Casper Eggplant vegetable Apr 30 May 28 Aug 6
Catmint herb Apr 23 May 14 Perennial — see plant page
Cayenne Peppers pepper Apr 23 May 28 Aug 21 – Aug 31
Cherry Bomb peppers pepper Apr 16 May 28 Aug 11 – Aug 16
Chinese 5-Color Peppers pepper Apr 23 May 28 Aug 11 – Aug 21
Chocolate Bell Sweet Peppers pepper Apr 30 May 28 Aug 1 – Aug 16
Chocolate Habanero Hot Peppers pepper Apr 30 May 28 Aug 21 – Sep 10
Classic Tomatillos vegetable Apr 30 May 21 Aug 9 – Aug 14
Common Milkweed Flowers flower Apr 30 May 7 Perennial — see plant page
Common Sage herb Apr 23 May 21 Perennial — see plant page
Corno di Toro Pepper pepper Apr 23 May 28 Aug 11 – Aug 16
Crackerjack Mix Marigolds flower Apr 23 May 14 Jul 13 – Jul 28
Crego Mix Aster Flowers flower Apr 30 May 21 Aug 9 – Aug 19
Crimson Forest Bunching Onions root vegetable Apr 23 May 14 Jul 13
Curly Parsley herb Apr 9 May 14 Jul 23 – Aug 2
Dark Opal Basil herb Apr 30 May 28 Jul 27 – Aug 11
Datil peppers pepper Apr 16 May 28 Aug 26 – Sep 15
Devils Tongue Yellow Hot Peppers pepper Apr 30 May 28 Aug 26 – Sep 15
Dolce Fresca Basil herb Apr 30 May 28 Jul 27 – Aug 6
Emerald Giant Sweet Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
English Lavender herb Apr 23 May 28 Perennial — see plant page
English Thyme herb Apr 16 May 14 Perennial — see plant page
English White Daisy Flowers flower Apr 16 May 14 Perennial — see plant page
Evergreen Bunching Onions root vegetable Apr 23 May 14 Sep 11
Fairy Dwarf Mix Candytuft Flowers flower Apr 30 May 7 Jun 21 – Jul 6
Firecracker Hot Peppers pepper Apr 30 May 28 Aug 16 – Sep 25
Fish Peppers pepper Apr 23 May 28 Aug 6 – Aug 16
Flat-Leaf Parsley herb Apr 9 May 14 Jul 23 – Aug 12
Florida Market Eggplant vegetable Apr 30 May 28 Aug 16 – Aug 26
Foxglove Flowers flower Apr 30 May 7 Perennial — see plant page
Fresno Peppers pepper Apr 23 May 28 Aug 11 – Aug 16
Genovese Basil herb Apr 30 May 28 Jul 27 – Aug 6
Giant Maximum Mix Snapdragon Flowers flower Apr 16 May 14 Aug 2 – Aug 17
Gochugaru Korean Peppers pepper Apr 23 May 28 Aug 11
Golden Celery vegetable Apr 16 May 21 Aug 14 – Aug 24
Golden Marconi Sweet Peppers pepper Apr 30 May 28 Aug 1 – Aug 16
Grano Red Onions root vegetable Apr 16 May 14 Sep 11
Grano White Onions root vegetable Apr 16 May 14 Sep 11
Green Globe Artichoke vegetable Apr 23 May 28 Perennial — see plant page
Green shiso leaves herb Apr 30 May 21 Jul 20 – Jul 30
Hatch Green Chile (NM 6-4) Peppers pepper Apr 23 May 28 Aug 6 – Aug 16
Highbush Blueberries berry Apr 30 May 28 Perennial — see plant page
Holiday Marbles Hot Peppers pepper Apr 30 May 28 Aug 26 – Sep 15
Hungarian Hot Wax Pepper pepper Apr 23 May 28 Aug 1 – Aug 11
Imperial Star Artichoke vegetable Apr 9 May 14 Aug 12 – Aug 22
Isis Candy Cherry Tomatoes tomato Apr 23 May 21 Jul 30 – Aug 9
Italian Oregano herb Apr 23 May 14 Perennial — see plant page
Jalapeño Peppers pepper Apr 23 May 28 Aug 1 – Aug 11
Kapoor Tulsi (Holy Basil) herb Apr 30 May 28 Jul 27
Kellogg's Breakfast tomatoes tomato Apr 23 May 21 Aug 4 – Aug 14
King's Cure-All Evening Primrose Flowers flower Apr 30 May 7 Perennial — see plant page
Lemon Habanero Hot Peppers pepper Apr 30 May 28 Aug 21 – Sep 10
Lemongrass herb Apr 23 May 28 Perennial — see plant page
Long Green Louisiana Eggplant vegetable Apr 30 May 28 Aug 1 – Aug 6
Long Ping Tung Eggplant vegetable Apr 30 May 28 Jul 22 – Jul 27
Long Purple Italian Eggplant vegetable Apr 30 May 28 Aug 11
Lunaria Silver Dollar Flowers flower Apr 30 May 7 Perennial — see plant page
Mariachi Peppers pepper Apr 23 May 28 Aug 2 – Aug 11
Marketmore 76 Cucumber cucumber Apr 30 May 28 Jul 25 – Aug 4
Matt's Wild Cherry Tomatoes tomato Apr 23 May 21 Jul 15 – Jul 25
Midnight Snack Tomatoes tomato Apr 30 May 28 Aug 1 – Aug 6
Mrs. Burns Lemon Basil herb Apr 23 May 21 Jul 20 – Jul 30
Mucho Nacho Jalapeño Peppers pepper Apr 30 May 28 Aug 4 – Aug 6
Napoletano Basil herb Apr 30 May 28 Aug 11
New England Aster Flowers flower Apr 30 May 7 Perennial — see plant page
NuMex Twilight Hot Peppers pepper Apr 30 May 28 Aug 26 – Sep 25
Orange Habanero Hot Peppers pepper Apr 30 May 28 Aug 21 – Sep 10
Orange Horizon Sweet Peppers pepper Apr 30 May 28 Aug 11 – Aug 16
Orion Florence Fennel vegetable Apr 30 May 21 Aug 9 – Aug 19
Ox-Eye Daisy Flowers flower Apr 16 May 14 Perennial — see plant page
Pandora Striped Eggplant vegetable Apr 30 May 28 Aug 11 – Aug 16
Pasilla de Oaxaca Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
Paul Robeson tomatoes tomato Apr 23 May 21 Jul 30 – Aug 14
Pepperoncini Pepper pepper Apr 30 May 28 Aug 1 – Aug 11
Pesto Perpetuo Basil herb Apr 30 May 28 Jul 27 – Aug 26
Pimento Sweet Peppers pepper Apr 30 May 28 Aug 21 – Aug 26
Pineapple Tomatillos vegetable Apr 30 May 21 Jul 30 – Aug 9
Pistou Basil herb Apr 30 May 28 Jul 27
Poblano Peppers pepper Apr 23 May 28 Aug 1 – Aug 11
Powderpuff Aster Flowers flower Apr 30 May 21 Aug 4 – Aug 14
Pretty Purple Hot Peppers pepper Apr 30 May 28 Aug 26 – Sep 25
Purple Basil herb Apr 30 May 28 Aug 6 – Aug 21
Purple Beauty Sweet Peppers pepper Apr 30 May 28 Aug 6 – Aug 11
Purple Tiger Hot Peppers pepper Apr 30 May 28 Aug 26 – Sep 5
Purple Tomatillos vegetable Apr 30 May 21 Aug 4 – Aug 14
Red Burgundy Onions root vegetable Apr 16 May 14 Sep 1 – Sep 11
Red Caribbean Habanero Hot Peppers pepper Apr 30 May 28 Aug 21 – Sep 10
Red Cayenne Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
Red Cherry Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
Red Mushroom Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
Red Robin Tomatoes tomato Apr 30 May 28 Jul 22
Red Rubin Basil herb Apr 30 May 28 Aug 8
Roman Chamomile herb Apr 23 May 14 Perennial — see plant page
Round Mauve Eggplant vegetable Apr 30 May 28 Aug 16 – Aug 26
Royal Carpet Alyssum Flowers flower Apr 30 May 7 Jun 21 – Jul 6
Rue herb Apr 23 May 14 Perennial — see plant page
Rutgers Tomato tomato Apr 30 May 28 Aug 6 – Aug 16
Salad Burnet herb Apr 30 May 7 Perennial — see plant page
Santa Fe Grande Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 16
Scarlet Sage Flowers flower Apr 30 May 21 Perennial — see plant page
Serrano Peppers pepper Apr 23 May 28 Aug 6 – Aug 16
Shasta Daisy Flowers flower Apr 9 May 14 Perennial — see plant page
Single Mix China Aster Flowers flower Apr 30 May 21 Jul 30 – Aug 9
Smooth Blue Aster Flowers flower Apr 30 May 7 Perennial — see plant page
Soapwort flower Apr 30 May 21 Perennial — see plant page
Southport Red Globe Onions root vegetable Apr 16 May 14 Sep 11
Southport White Globe Onions root vegetable Apr 16 May 14 Sep 11
Spanish Sweet White Onions root vegetable Apr 16 May 14 Sep 1 – Sep 11
Sparky Mix Marigolds flower Apr 23 May 14 Jul 8 – Jul 23
Spicy Globe Basil herb Apr 30 May 28 Aug 6
Sugar Baby Watermelon melon Apr 30 May 28 Aug 11 – Aug 16
Sunbright Yellow Sweet Peppers pepper Apr 30 May 28 Aug 11 – Aug 16
Sweet Marjoram herb Apr 23 May 21 Aug 4 – Aug 19
Sweet Million Tomatoes tomato Apr 30 May 28 Jul 27 – Aug 1
Sweet Woodruff herb Apr 23 May 14 Perennial — see plant page
Tabasco Hot Peppers pepper Apr 30 May 28 Aug 16 – Aug 26
Tansy herb Apr 23 May 14 Perennial — see plant page
Tendercrisp Celery vegetable Apr 16 May 21 Aug 14 – Aug 29
Thai Basil herb Apr 30 May 28 Jul 27 – Aug 1
Thai Hot Peppers pepper Apr 23 May 28 Aug 11 – Aug 21
Tiny Tim Tomatoes tomato Apr 30 May 28 Jul 12 – Jul 22
Trinidad Moruga Scorpion peppers pepper Apr 16 May 28 Aug 16 – Sep 25
Tropical Milkweed Flowers flower Apr 23 May 21 Perennial — see plant page
Tumbling Tom Red Tomatoes tomato Apr 30 May 28 Aug 1 – Aug 6
Turkish Orange Eggplant vegetable Apr 30 May 28 Aug 21 – Aug 26
Verde Tomatillos vegetable Apr 30 May 21 Aug 4 – Aug 14
White Cloud Sweet Peppers pepper Apr 30 May 28 Aug 6 – Aug 11
White Lisbon Bunching Onions root vegetable Apr 23 May 14 Jul 18
Wormwood herb Apr 23 May 14 Perennial — see plant page
Yellow Jalapeno (Caloro) Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
Yellow Mushroom Hot Peppers pepper Apr 30 May 28 Aug 11 – Aug 21
Yellow Scotch Bonnet Hot Peppers pepper Apr 30 May 28 Aug 26 – Sep 25
Yolo Wonder Sweet Peppers pepper Apr 30 May 28 Aug 6 – Aug 16
Banana Peppers pepper Apr 30 Jun 4 Aug 3 – Aug 13
Big Bertha Peppers pepper Apr 30 Jun 4 Aug 13 – Aug 16
California Wonder Peppers pepper Apr 30 Jun 4 Aug 15 – Aug 18
Carmen Peppers pepper Apr 30 Jun 4 Aug 3 – Aug 23
Cubanelle Peppers pepper Apr 30 Jun 4 Aug 5 – Aug 13
Gypsy Peppers pepper Apr 30 Jun 4 Aug 3 – Aug 8
King Arthur Peppers pepper Apr 30 Jun 4 Aug 5 – Aug 11
Lunchbox Mini Peppers pepper Apr 30 Jun 4 Jul 29 – Aug 3
Padron Peppers pepper Apr 30 Jun 4 Aug 3 – Aug 8
Shishito Peppers pepper Apr 30 Jun 4 Aug 3 – Aug 8

Plant Outside in April

Plant Type Action Target Date Harvest Window
Alaska Early Pea legume Transplant Apr 23 Jun 17 – Jun 22
All Season Cabbage brassica Transplant Apr 30 Jul 9 – Jul 19
All Year Round Cauliflower brassica Transplant Apr 30 Jul 4
Berry Blue honeyberry shrubs berry Transplant Apr 30 Perennial — see plant page
Black Salsify root vegetable Transplant Apr 16 Perennial — see plant page
Blue Flax Flowers flower Transplant Apr 30 Perennial — see plant page
Bouquet Dill herb Transplant Apr 30 Jun 19 – Jul 4
Broad Windsor Fava Bean legume Transplant Apr 23 Jul 7 – Jul 17
Brunswick Cabbage brassica Transplant Apr 30 Jul 19 – Jul 29
Calabrese Broccoli brassica Transplant Apr 30 Jul 4
Caraway herb Transplant Apr 23 Perennial — see plant page
Carentan Leeks allium Transplant Apr 30 Jul 29 – Aug 18
Cascadia Sugar Snap Pea legume Transplant Apr 23 Jun 27 – Jun 29
Charleston Wakefield Cabbage brassica Transplant Apr 23 Jul 7
Chervil herb Transplant Apr 23 May 28 – Jun 7
Chinese Forget-Me-Not Flowers flower Transplant Apr 30 Jul 4 – Jul 24
Copenhagen Cabbage brassica Transplant Apr 30 Jul 4
Crimson Cherry Rhubarb Root vegetable Transplant Apr 16 Perennial — see plant page
Dandelion herb Transplant Apr 23 Perennial — see plant page
Danish Ballhead Cabbage brassica Transplant Apr 30 Aug 8 – Aug 18
Dark Green Italian Giant Parsley herb Transplant Apr 30 Jun 29 – Jul 14
Delicatesse Blue Kohlrabi brassica Transplant Apr 23 Jun 17 – Jun 22
Delicatesse White Kohlrabi brassica Transplant Apr 23 Jun 17 – Jun 22
Di Cicco Broccoli brassica Transplant Apr 30 Jul 4
Drumhead Cabbage brassica Transplant Apr 30 Jul 29 – Aug 8
Dukat Dill herb Transplant Apr 30 Jun 9 – Jun 19
Dutch Yellow Shallots allium Transplant Apr 16 Jul 15 – Aug 14
Early Jersey Wakefield Cabbage brassica Transplant Apr 23 Jun 27 – Jul 7
Early Purple Broccoli brassica Transplant Apr 30 Jul 4
Evergreen Parsley herb Transplant Apr 30 Jul 9 – Jul 24
Fenugreek herb Transplant Apr 30 Jun 4 – Jun 19
French Red Shallots allium Transplant Apr 16 Jul 15 – Aug 14
Giant Imperial Mix Larkspur Flowers flower Transplant Apr 23 Aug 1 – Aug 21
Giant Musselburgh Leeks allium Transplant Apr 30 Aug 8 – Aug 13
Glory of Enkhuizen Cabbage brassica Transplant Apr 30 Jul 29
Golden Acre Cabbage brassica Transplant Apr 30 Jul 4
Green Arrow Pea legume Transplant Apr 23 Jun 27 – Jul 2
Hamburg Rooted Parsley herb Transplant Apr 30 Jul 29 – Aug 18
Hard Red Wheat Cover Crop cover crop Transplant Apr 23 Jul 7 – Jul 27
Holland Red Shallots allium Transplant Apr 16 Jul 15 – Aug 14
Honeycrisp apple trees berry Transplant Apr 30 Perennial — see plant page
Igloo Cauliflower brassica Transplant Apr 30 Jul 4 – Jul 9
Invicta gooseberry shrubs berry Transplant Apr 30 Perennial — see plant page
Little Marvel Pea legume Transplant Apr 23 Jun 22 – Jun 25
Mammoth Dill herb Transplant Apr 30 Jun 14 – Jul 4
Mammoth Melting Sugar Snow Pea legume Transplant Apr 23 Jun 30 – Jul 6
Mary Washington Asparagus vegetable Transplant Apr 30 Perennial — see plant page
Medium Red Clover Cover Crop cover crop Transplant Apr 30 Jun 29 – Jul 14
Michihili Cabbage brassica Transplant Apr 23 Jul 2
Millennium Asparagus vegetable Transplant Apr 30 Perennial — see plant page
OG American Flag Leeks allium Transplant Apr 30 Jul 29 – Aug 8
Oregon Giant Snow Pea legume Transplant Apr 23 Jul 2 – Jul 6
Oregon Sugar Pod Snow Pea legume Transplant Apr 23 Jun 22 – Jun 30
Progress No. 9 Shelling Pea legume Transplant Apr 23 Jun 20 – Jun 24
Purple Passion Asparagus vegetable Transplant Apr 30 Perennial — see plant page
Rapeseed Cover Crop cover crop Transplant Apr 30 Jun 14 – Jul 9
Rapini Broccoli Raab brassica Transplant Apr 30 Jul 4
Red Acre Cabbage brassica Transplant Apr 23 Jul 7 – Jul 12
Red Lake currant shrubs berry Transplant Apr 30 Perennial — see plant page
Savoy Perfection Cabbage brassica Transplant Apr 30 Jul 29 – Aug 3
Scarlet Flax Flowers flower Transplant Apr 30 Jun 24 – Jul 9
Shungiku (Edible Chrysanthemum) lettuce Transplant Apr 30 Jun 9 – Jun 24
Snowball Self-Blanche Cauliflower brassica Transplant Apr 30 Jul 4
Sugar Ann Snap Pea legume Transplant Apr 23 Jun 14 – Jun 18
Victoria Rhubarb vegetable Transplant Apr 30 Perennial — see plant page
Vienna Purple Kohlrabi brassica Transplant Apr 23 Jun 17 – Jun 27
Vienna White Kohlrabi brassica Transplant Apr 23 Jun 27
Viola and pansy edible flowers flower Transplant Apr 30 Jun 29 – Jul 9
Violetta Purple Cauliflower brassica Transplant Apr 30 Jul 4
Wando Pea legume Transplant Apr 23 Jun 25 – Jun 30
Yellow Sweet Blossom Clover Cover Crop cover crop Transplant Apr 30 Jun 29 – Jul 29

Harvest in April

Nothing to harvest in April for Zone 4A.
Next window: May — 4 varieties, including Astro Arugula, Chervil, Mesclun Mix.

Key Tasks for April in Zone 4A

  1. 1 Start 234 varieties indoors this month under grow lights or in a sunny south-facing window. Use a seed-starting mix and bottom heat (70–75°F) for best germination rates.
  2. 2 Harden off transplants before moving outdoors — set them outside in a sheltered spot for increasing hours over 7–10 days before planting in the ground.
  3. 3 Check soil moisture before watering — stick a finger 2 inches into the soil. Water only when the soil is dry at that depth. Consistent moisture is more important than frequency.
Back to full Zone 4A planting calendar
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