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Zone 6A — August

What to Plant in August in Zone 6A

August in Zone 6A: 0 crops to start indoors, 0 to plant or direct sow outside, and 38 entering harvest window. Last frost averages April 29. Reference city: Columbus, OH.
Updated May 13, 2026 · Frost data from NOAA 1991-2020 Climate Normals
0 Start Indoors
0 Plant Outside
38 Harvest
Frost risk: Cleared

Frost season has cleared in Zone 6A. The last spring frost typically passed by April 29, and the very latest 10% chance closed by May 15. Tender crops are safe to plant out.

See full Zone 6A frost outlook →

Start Indoors in August

No crops to start indoors in August for Zone 6A.

Plant Outside in August

No crops to plant outside in August for Zone 6A.

Harvest in August

Plant Type Planted / Sown Harvest Window
Anise herb Apr 25 Aug 3 – Aug 23
Atlantic Giant Pumpkin squash Apr 25 Aug 23
Baby Blue Hubbard Winter Squash squash Apr 25 Aug 3
Big Max Pumpkin squash Apr 25 Aug 18 – Aug 23
Brilliant Celeriac root vegetable Apr 18 Aug 6 – Aug 16
Cinderella Pumpkin squash Apr 25 Aug 13
Classic Cumin herb Apr 25 Aug 3 – Aug 23
Evergreen Bunching Onions root vegetable Apr 18 Aug 16
Golden Hubbard Winter Squash squash Apr 25 Aug 3
Grano Red Onions root vegetable Apr 18 Aug 16
Grano White Onions root vegetable Apr 18 Aug 16
Green Hubbard Winter Squash squash Apr 25 Aug 13
Green Striped Cushaw Crookneck Winter Squash squash Apr 25 Aug 3
Indian Spring Mix Hollyhock Flowers flower Apr 18 Aug 16 – Oct 7 (before frost)
Jack Be Little Pumpkin squash Apr 25 Aug 3
Long Island Cheese Winter Squash squash Apr 25 Aug 3
Pacific Giant Pumpkin squash Apr 25 Aug 18 – Aug 28
Paris Yellow Pumpkin squash Apr 25 Aug 3
Parsnip root vegetable Apr 25 Aug 3 – Sep 2
Pink Banana Jumbo Winter Squash squash Apr 25 Aug 3 – Aug 13
Queensland Blue Winter Squash squash Apr 25 Aug 3 – Aug 23
Rainbow Corn vegetable Apr 25 Aug 8 – Aug 18
Red Burgundy Onions root vegetable Apr 18 Aug 6 – Aug 16
Southport Red Globe Onions root vegetable Apr 18 Aug 16
Southport White Globe Onions root vegetable Apr 18 Aug 16
Spanish Sweet White Onions root vegetable Apr 18 Aug 6 – Aug 16
Summer Carnival Mix Hollyhock Flowers flower Apr 18 Aug 16 – Oct 7 (before frost)
White Cushaw Crookneck Winter Squash squash Apr 25 Aug 3
Birds Eye Hot Peppers pepper May 2 Aug 10 – Aug 20
Bloody Butcher Corn vegetable May 2 Aug 10 – Aug 20
Butternut Squash squash May 2 Aug 10 – Aug 30
Caribbean Red Scotch Bonnet Pepper pepper May 2 Aug 5 – Aug 30
Chayote squash vegetable May 2 Aug 30 – Sep 29
Delica kabocha squash squash May 2 Aug 5 – Aug 20
Habanero Pepper pepper May 9 Aug 7 – Sep 6
Honeydew Melon melon May 2 Aug 10 – Aug 25
Luffa gourds vegetable May 2 Aug 10 – Aug 30
Tepin Hot Peppers pepper May 2 Aug 30 – Oct 7 (before frost)

Key Tasks for August in Zone 6A

  1. 1 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.
  2. 2 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 6A planting calendar
July August in Zone 6A September

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