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Zone 3B — July

What to Plant in July in Zone 3B

July in Zone 3B: 0 crops to start indoors, 2 to plant or direct sow outside, and 272 entering harvest window. Last frost averages May 18. Reference city: International Falls, MN.
Updated August 12, 2026 · Frost data from NOAA 1991-2020 Climate Normals
0 Start Indoors
2 Plant Outside
272 Harvest
Frost risk: Cleared

Frost season has cleared in Zone 3B. The last spring frost typically passed by May 18, and the very latest 10% chance closed by June 1. Tender crops are safe to plant out.

See full Zone 3B frost outlook →

Start Indoors in July

Nothing to start seeds indoors in July for Zone 3B.
Next window: November — 1 variety, including Garlic.

Plant Outside in July

Plant Type Action Target Date Harvest Window
Nantes Carrot (fall planting) root vegetable Direct Sow Jul 1 Sep 14
Sugar Snap Pea (fall planting) legume Direct Sow Jul 15 Sep 23

Harvest in July

Plant Type Planted / Sown Harvest Window
Broad Windsor Fava Bean legume Apr 27 Jul 11 – Jul 21
Cascadia Sugar Snap Pea legume Apr 27 Jul 1 – Jul 3
Charleston Wakefield Cabbage brassica Apr 27 Jul 11
Dutch Yellow Shallots allium Apr 20 Jul 19 – Aug 18
Early Jersey Wakefield Cabbage brassica Apr 27 Jul 1 – Jul 11
French Red Shallots allium Apr 20 Jul 19 – Aug 18
Green Arrow Pea legume Apr 27 Jul 1 – Jul 6
Hard Red Wheat Cover Crop cover crop Apr 27 Jul 11 – Jul 31
Holland Red Shallots allium Apr 20 Jul 19 – Aug 18
Mammoth Melting Sugar Snow Pea legume Apr 27 Jul 4 – Jul 10
Michihili Cabbage brassica Apr 27 Jul 6
Oregon Giant Snow Pea legume Apr 27 Jul 6 – Jul 10
Red Acre Cabbage brassica Apr 27 Jul 11 – Jul 16
Vienna White Kohlrabi brassica Apr 27 Jul 1
Alaska Mix Nasturtium Flowers flower May 18 Jul 7 – Jul 17
All Season Cabbage brassica May 4 Jul 13 – Jul 23
All Year Round lettuce May 20 Jul 23 – Aug 1
All Year Round Cauliflower brassica May 4 Jul 8
America lettuce May 20 Jul 2 – Jul 14
Armenian Cucumber cucumber May 25 Jul 24 – Aug 3
Ashley Cucumber cucumber May 25 Jul 19 – Jul 24
Baby Blue Eyes Flowers flower May 18 Jul 17 – Aug 16
Bachelor's button edible flowers flower May 18 Jul 17 – Aug 6
Basil Herb Mix herb May 25 Jul 24 – Aug 13
Beit Alpha Cucumbers cucumber May 25 Jul 14 – Jul 29
Black Beauty Zucchini squash May 29 Jul 13 – Jul 23
Black Seeded Simpson lettuce May 20 Jul 4 – Jul 5
Black-Eyed Pea legume May 25 Jul 29 – Aug 3
Blonde de Paris lettuce May 20 Jul 9 – Jul 19
Bloomsdale Longstanding Spinach lettuce May 20 Jul 4 – Jul 11
Blue Curled Scotch lettuce May 20 Jul 14 – Jul 19
Blue Lake Bush Bean legume May 25 Jul 14 – Jul 22
Blue Lake Pole Bean legume May 25 Jul 30 – Aug 8
Bok Choy lettuce May 20 Jul 4 – Jul 19
Borage flower May 18 Jul 12 – Aug 1
Borlotti Bush Bean legume May 25 Jul 19 – Jul 29
Boston Pickling Cucumber cucumber May 25 Jul 14 – Jul 19
Broadleaf Classic lettuce May 20 Jul 9 – Jul 19
Brunswick Cabbage brassica May 4 Jul 23 – Aug 2
Burgundy Boston lettuce May 20 Jul 9 – Jul 14
Bush Pickle Cucumbers cucumber May 25 Jul 9 – Jul 17
Buttercrunch lettuce May 20 Jul 5 – Jul 14
Butterhead Lettuce lettuce May 20 Jul 9 – Jul 24
Calabrese Broccoli brassica May 4 Jul 8
Calendula flower May 18 Jul 7 – Jul 17
California Bluebell flower May 18 Jul 12 – Jul 22
California Giant Mix Zinnia Flowers flower May 25 Jul 24 – Aug 3
Calypso Cilantro herb May 18 Jul 7 – Jul 12
Canary Bird Zinnia Flowers flower May 25 Jul 24 – Aug 3
Canary Yellow lettuce May 20 Jul 9 – Jul 19
Caserta Summer Squash squash May 25 Jul 29
Cherokee Trail of Tears Bean legume May 25 Jul 29 – Aug 23
Cherry Queen Zinnia Flowers flower May 25 Jul 24 – Aug 3
Chinese Forget-Me-Not Flowers flower May 4 Jul 8 – Jul 28
Chioggia Beet root vegetable May 25 Jul 19 – Jul 29
Cinnamon Basil herb May 25 Jul 29 – Aug 13
Clemson Spineless Okra vegetable May 18 Jul 12 – Jul 21
Cocozelle Summer Squash squash May 25 Jul 14
Contender Bush Bean legume May 25 Jul 9 – Jul 19
Copenhagen Cabbage brassica May 4 Jul 8
Cosmic Purple Carrot root vegetable May 25 Jul 22 – Aug 8
Cosmos flower May 18 Jul 27 – Aug 16
Cosmos Sensations Mix Flowers flower May 18 Jul 27 – Aug 1
County Fair Cucumbers cucumber May 25 Jul 14 – Jul 16
Crackerjack Mix Marigolds flower May 18 Jul 17 – Aug 1
Crimson Clover cover crop May 18 Jul 17 – Aug 16
Crisphead lettuce May 20 Jul 27 – Aug 3
Curly Kale lettuce May 20 Jul 14 – Jul 24
Daikon Radishes root vegetable May 25 Jul 9 – Jul 19
Dark Green Romaine lettuce May 20 Jul 19 – Jul 29
Detroit Dark Red Beet root vegetable May 25 Jul 19 – Jul 24
Di Cicco Broccoli brassica May 4 Jul 8
Diva Cucumbers cucumber May 25 Jul 22
Dragon Tongue Bean legume May 25 Jul 19 – Jul 24
Dwarf Jewel Mix Nasturtium Flowers flower May 18 Jul 7 – Jul 17
Early Purple Broccoli brassica May 4 Jul 8
Eight Ball Zucchini squash May 25 Jul 9 – Jul 19
Empress of India Nasturtium Flowers flower May 18 Jul 7 – Jul 17
Endive / Escarole lettuce May 20 Jul 4 – Jul 24
Epazote herb May 25 Jul 19 – Jul 29
Everbearing Cucumber cucumber May 25 Jul 24
Evergreen Parsley herb May 4 Jul 13 – Jul 28
Fordhook Giant lettuce May 20 Jul 4 – Jul 14
Fortex Pole Bean legume May 25 Jul 24 – Aug 3
French Marigold flower May 18 Jul 7 – Jul 17
Georgia Southern Collard Greens lettuce May 20 Jul 19 – Aug 8
German Chamomile herb May 18 Jul 17 – Jul 22
Giant Red lettuce May 20 Jul 4
Globe Gilia Flowers flower May 18 Jul 17 – Aug 6
Glorious Gleam Nasturtium Flowers flower May 18 Jul 12 – Jul 27
Gold Rush Zucchini squash May 25 Jul 9 – Jul 14
Golden Acre Cabbage brassica May 4 Jul 8
Golden Beet root vegetable May 25 Jul 19 – Jul 29
Golden Bush Scallop Summer Squash squash May 25 Jul 29
Golden Wax Bush Bean legume May 25 Jul 14 – Jul 24
Greek Basil herb May 25 Jul 29 – Aug 8
Green Fingers Persian Cucumber cucumber May 25 Jul 19 – Jul 24
Green Ice lettuce May 20 Jul 4
Green shiso leaves herb May 25 Jul 24 – Aug 3
Green Wave lettuce May 20 Jul 4
H-19 Little Leaf Cucumbers cucumber May 25 Jul 21 – Jul 26
Hairy vetch cover crop stands cover crop May 18 Jul 17 – Aug 16
Harvester Bush Bean legume May 25 Jul 14 – Jul 19
Henderson Bush Lima Bean legume May 28 Jul 28 – Aug 6
Homemade Pickles Cucumber cucumber May 25 Jul 19 – Jul 24
Hot Pink lettuce May 20 Jul 9 – Jul 19
Iceberg lettuce May 20 Jul 27 – Aug 3
Igloo Cauliflower brassica May 4 Jul 8 – Jul 13
Italian Large Leaf Basil herb May 25 Jul 24 – Aug 8
Jade Bush Bean legume May 25 Jul 19 – Jul 24
Japanese Eggplant vegetable May 18 Jul 7 – Jul 22
Kagraner Sommer lettuce May 20 Jul 9 – Jul 17
Kentucky Wonder Pole Bean legume May 25 Jul 29 – Aug 5
Lacinato Kale lettuce May 20 Jul 19 – Jul 24
Lacy Phacelia Flowers flower May 18 Jul 12 – Aug 1
Landreth Bush Bean legume May 25 Jul 14 – Jul 19
Leaf Lettuce Mix lettuce May 20 Jul 4 – Jul 14
Lebanese White Bush Summer Squash squash May 25 Jul 9
Lemon Cucumber cucumber May 18 Jul 17 – Jul 27
Lettuce Leaf Basil herb May 25 Jul 29 – Aug 13
Licorice Basil herb May 25 Jul 29 – Aug 13
Lima Bean legume May 25 Jul 24 – Aug 13
Lime Basil herb May 25 Jul 29 – Aug 8
Little Gem lettuce May 20 Jul 9 – Jul 15
Lollo Bionda lettuce May 20 Jul 9 – Jul 19
Lollo Rossa lettuce May 20 Jul 12 – Jul 15
Love-in-a-Mist Flowers flower May 18 Jul 22 – Aug 11
Luminosa Zinnia Flowers flower May 25 Jul 24 – Aug 3
Magenta Sunset lettuce May 20 Jul 14 – Jul 19
Mammoth Sunflower flower May 18 Jul 22 – Aug 6
Marketer Cucumber cucumber May 25 Jul 19
Marvel of Four Seasons lettuce May 20 Jul 4 – Jul 19
Matador Viking lettuce May 20 Jul 4 – Jul 7
Matt's Wild Cherry Tomatoes tomato May 25 Jul 19 – Jul 29
Maxibel Filet Bean legume May 25 Jul 14 – Jul 24
Medium Red Clover Cover Crop cover crop May 4 Jul 3 – Jul 18
Monstrueux de Viroflay lettuce May 20 Jul 4 – Jul 9
Mrs. Burns Lemon Basil herb May 25 Jul 24 – Aug 3
Muncher Cucumber cucumber May 25 Jul 24 – Jul 29
Mâche (Corn Salad) lettuce May 20 Jul 19 – Aug 12
Nantes Carrot root vegetable May 25 Jul 26 – Aug 8
Napa Cabbage brassica May 20 Jul 29 – Aug 18
Nasturtium flower May 18 Jul 7 – Jul 22
National Pickling Cucumber cucumber May 18 Jul 7 – Jul 15
New Zealand Spinach lettuce May 20 Jul 9 – Jul 19
Noble Giant lettuce May 20 Jul 5 – Jul 9
Nodding Catchfly Flowers flower May 18 Jul 17 – Aug 16
Old Fashion lettuce May 20 Jul 4 – Jul 9
Orange lettuce May 20 Jul 4 – Jul 14
Orange King Zinnia Flowers flower May 25 Jul 24 – Aug 3
Orange Sulphur Cosmos Flowers flower May 18 Jul 12 – Jul 27
Pattypan Squash squash May 25 Jul 11 – Jul 19
Peach Melba Nasturtium Flowers flower May 18 Jul 7 – Jul 17
Phacelia cover crop and bee forage cover crop May 18 Jul 2 – Jul 17
Pinkeye Purple Hull Cowpea legume May 25 Jul 24 – Aug 3
Plains Coreopsis flower May 18 Jul 17 – Jul 27
Polar Bear Zinnia Flowers flower May 25 Jul 24 – Aug 3
Poona Kheera Cucumbers cucumber May 25 Jul 19 – Jul 29
Premier lettuce May 20 Jul 9 – Jul 19
Provider Bush Bean legume May 25 Jul 14 – Jul 19
Pápalo leaves herb May 18 Jul 27 – Aug 6
Radicchio lettuce May 20 Jul 19 – Aug 13
Rainbow Mix lettuce May 20 Jul 9 – Jul 19
Rapini Broccoli Raab brassica May 4 Jul 8
Rattlesnake Pole Bean legume May 25 Jul 24 – Aug 3
Red Garnet Amaranth vegetable May 25 Jul 19 – Jul 24
Red Leaf Lettuce lettuce May 20 Jul 4 – Jul 14
Red Romaine lettuce May 20 Jul 19 – Jul 29
Red Russian Kale lettuce May 20 Jul 9 – Jul 19
Red Velvet Leaf Basil herb May 25 Jul 29 – Aug 13
Red-Stem Malabar Spinach lettuce May 20 Jul 14 – Jul 29
Roma II Bush Bean legume May 25 Jul 17 – Jul 23
Romaine Lettuce lettuce May 20 Jul 24 – Aug 3
Romano Pole Bean legume May 25 Jul 24 – Aug 1
Round de Nice Zucchini Summer Squash squash May 25 Jul 9
Royal Burgundy Bush Bean legume May 25 Jul 14 – Jul 19
Ruby Red lettuce May 20 Jul 14 – Jul 19
Salad Bowl Green lettuce May 20 Jul 8 – Jul 9
Salad Bush Cucumbers cucumber May 25 Jul 21 – Jul 22
Shelling Pea legume May 25 Jul 19 – Aug 3
Siberian Dwarf lettuce May 20 Jul 9 – Jul 14
Signet marigold edible flowers flower May 18 Jul 17 – Jul 22
Slenderette Bush Bean legume May 25 Jul 17 – Jul 21
Snow Pea legume May 25 Jul 16 – Aug 3
Snowball Self-Blanche Cauliflower brassica May 4 Jul 8
Spacemaster Bush Cucumber cucumber May 25 Jul 24 – Jul 29
Sparky Mix Marigolds flower May 18 Jul 12 – Jul 27
Straight Eight Cucumber cucumber May 25 Jul 24 – Jul 29
Sugar Snap Pea legume May 25 Jul 19 – Aug 3
Summer Bibb lettuce May 20 Jul 14 – Jul 19
Summer Savory herb May 25 Jul 19 – Jul 29
Sunspot Sunflowers flower May 25 Jul 19 – Aug 3
Suyo Long Cucumbers cucumber May 25 Jul 24 – Jul 29
Sweet Success Cucumbers cucumber May 25 Jul 18 – Jul 22
Swiss Chard lettuce May 20 Jul 9 – Jul 19
Tall Trailing Mix Nasturtium Flowers flower May 18 Jul 12 – Jul 27
Tasty Jade Cucumbers cucumber May 25 Jul 18
Tavera Filet Bean legume May 25 Jul 18
Taylor Dwarf Bush Bean legume May 25 Jul 29 – Aug 1
Tendergreen Burpless Cucumber cucumber May 25 Jul 29
Tendergreen Bush Bean legume May 25 Jul 14 – Jul 19
Tom Thumb lettuce May 20 Jul 9 – Jul 29
Tomatillo vegetable May 18 Jul 17 – Aug 11
Tongue of Fire Bean legume May 25 Jul 24 – Aug 28
Top Crop Bush Bean legume May 25 Jul 14 – Jul 19
Turnip root vegetable May 25 Jul 14 – Jul 24
Tuscany Black lettuce May 20 Jul 19 – Aug 3
Vates Collard lettuce May 20 Jul 19 – Aug 3
Vates Kale lettuce May 20 Jul 9 – Jul 14
Vermont Cranberry Bean legume May 25 Jul 29 – Aug 28
Viola and pansy edible flowers flower May 4 Jul 3 – Jul 13
Violetta Purple Cauliflower brassica May 4 Jul 8
Watermelon Radishes root vegetable May 25 Jul 14 – Jul 29
Wautoma Cucumbers cucumber May 25 Jul 24
West Indian Burr Gherkin Cucumber cucumber May 25 Jul 19 – Jul 29
Whirlybird Nasturtium Flowers flower May 18 Jul 7 – Jul 17
White Wonder Cucumber cucumber May 25 Jul 19 – Jul 24
Winner Kohlrabi brassica May 20 Jul 4 – Jul 9
Winter Density lettuce May 20 Jul 13 – Jul 19
Winter Giant lettuce May 20 Jul 4 – Jul 9
Wisconsin SMR 58 Cucumbers cucumber May 25 Jul 19 – Jul 22
Yard Long Bean legume May 25 Jul 24 – Aug 23
Yellow Crookneck Squash squash May 25 Jul 14 – Jul 24
Yellow Sulphur Cosmos Flowers flower May 18 Jul 12 – Jul 27
Zinnia flower May 18 Jul 17 – Aug 16
Beauty Pink Radishes (fall planting) root vegetable Jun 30 Jul 30
Beauty Purple Radishes (fall planting) root vegetable Jun 30 Jul 30
Beauty White Radishes (fall planting) root vegetable Jun 30 Jul 30
Black Oil Sunflower Microgreens (fall planting) microgreen Jun 30 Jul 12
Broccolini brassica Jun 1 Jul 21 – Aug 10
Champion Radishes (fall planting) root vegetable Jun 30 Jul 30
Cherry Belle Radish (fall planting) root vegetable Jun 30 Jul 30
Dark Opal Basil herb Jun 1 Jul 31 – Aug 15
Dolce Fresca Basil herb Jun 1 Jul 31 – Aug 10
Early Girl Tomatoes tomato Jun 1 Jul 23 – Aug 2
Emerald Green Velvet Okra vegetable Jun 1 Jul 26 – Jul 29
French Breakfast Radish (fall planting) root vegetable Jun 30 Jul 28
Gardener's Delight Tomatoes tomato Jun 1 Jul 31 – Aug 15
Genovese Basil herb Jun 1 Jul 31 – Aug 10
Glacier Tomatoes tomato Jun 1 Jul 26 – Jul 29
Green Cabbage brassica Jun 1 Jul 31 – Sep 9
Green Envy Tomatoes tomato Jun 1 Jul 31 – Aug 10
Hailstone Radishes (fall planting) root vegetable Jun 30 Jul 30
Honey Bee Tomatoes tomato Jun 1 Jul 31
Juliet Tomatoes tomato Jun 1 Jul 30 – Aug 1
Kapoor Tulsi (Holy Basil) herb Jun 1 Jul 31
Long Ping Tung Eggplant vegetable Jun 1 Jul 26 – Jul 31
Manitoba Tomatoes tomato Jun 1 Jul 26 – Aug 5
Marketmore 76 Cucumber cucumber Jun 1 Jul 29 – Aug 8
Mesclun Mix (fall planting) lettuce Jun 30 Jul 30
New Sunn Hemp Cover Crop cover crop Jun 1 Jul 31 – Aug 30
Oregon Spring Tomatoes tomato Jun 1 Jul 29 – Aug 10
Pesto Perpetuo Basil herb Jun 1 Jul 31 – Aug 30
Pistou Basil herb Jun 1 Jul 31
Purple Plum Radishes (fall planting) root vegetable Jun 30 Jul 30
Rambo Radish Microgreens (fall planting) microgreen Jun 30 Jul 10
Red Burgundy Okra vegetable Jun 1 Jul 26 – Jul 31
Red Robin Tomatoes tomato Jun 1 Jul 26
Sakura Tomatoes tomato Jun 1 Jul 26 – Jul 31
Snow Crown Cauliflower brassica Jun 1 Jul 21 – Jul 31
Sparkler Radishes (fall planting) root vegetable Jun 30 Jul 30
Speckled Pea Shoot Microgreens (fall planting) microgreen Jun 30 Jul 14
Summer Max Mix Cover Crop cover crop Jun 1 Jul 16 – Jul 31
Sun Gold Tomatoes tomato Jun 1 Jul 28 – Aug 5
SunChocola Tomatoes tomato Jun 1 Jul 31 – Aug 10
Sungella Tomatoes tomato Jun 1 Jul 31 – Aug 10
Sweet 100 Tomatoes tomato Jun 1 Jul 31 – Aug 5
Sweet Million Tomatoes tomato Jun 1 Jul 31 – Aug 5
Thai Basil herb Jun 1 Jul 31 – Aug 5
Tigerella Tomatoes tomato Jun 1 Jul 26 – Aug 10
Tiny Tim Tomatoes tomato Jun 1 Jul 16 – Jul 26
Garlic root vegetable Nov 19 Jul 17 – Aug 16

Key Tasks for July in Zone 3B

  1. 1 Direct sow seeds at the recommended depth and spacing. Keep the seedbed consistently moist until germination is complete.
  2. 2 Apply 2–3 inches of mulch around heat-sensitive crops to retain moisture and keep root zones cooler. Water deeply and less frequently rather than shallow daily watering.
  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 3B planting calendar
June July in Zone 3B August

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