What to Plant in August in Zone 5

5 crops you can start in zone 5a & 5b during August. The dates are worked out from zone 5's typical frosts: last spring frost around May 10, first fall frost around Oct 5. Each crop links to its full dates for zone 5.

Sow or plant outside in August

What goes in the ground this month, either as seed or as a transplant. Dates are the planting-out window for zone 5.

Vegetables & herbs

LettuceSow or transplantAug 7–Aug 21Fall
RadishDirect sowAug 27–Sep 10Fall
SpinachDirect sowAug 12–Aug 26Fall
TurnipDirect sowAug 2–Aug 16Fall

Flowers

Saffron CrocusPlant cormsAug–SepSummer

← July in zone 5 · September in zone 5 →

Keep planning

Growing guides

Plan your bed

Not sure of your zone? Look it up by ZIP code.

August in other zones: zone 6, zone 7, zone 8, zone 9, zone 10, zone 11

Worth having in August

Rachio Smart Hose TimerWaters on a schedule and skips rainy days.Check price on Amazon →Rocky Mountain Goods Flat Soaker HoseSeeps water along a whole row, with no drip emitters to clog.Check price on Amazon →AC Infinity Humidity Dome, Heavy-Duty Germination KitKeeps a freshly sown tray moist until the seeds are up.Check price on Amazon →

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What to plant in August in zone 5: lettuce, spinach, radish, saffron crocus and more

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What to plant in August in zone 5: 5 crops to plant outside, including lettuce, spinach, radish, saffron crocus, with exact dates for zone 5a and 5b.

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