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Can You Grow Lettuce in Iowa?

US · USDA Zone 5a · zones 4a, 4b, 5a, 5b

Grows well here

Lettuce grows excellently here — one of the best cool-season crops for your climate.

Plant zones

2b–9b

Iowa last frost

mid-April

Iowa first frost

mid-October

Days to harvest

30–60 days

When to plant Lettuce in Iowa

Direct sow

Apr 15

Harvest

May 15 – Jun 14

Dates are approximate, based on Iowa's average frost dates. Your exact yard may vary by microclimate.

About Lettuce

Lettuce is one of the fastest and easiest crops to grow — perfect for beginners and container gardens.

Sow directly in early spring — lettuce tolerates light frost. Harvest outer leaves for cut-and-come-again. Bolts in summer heat; replant in late summer for a fall crop.

Full lettuce growing guide →

Gardening in Iowa

Iowa has a humid continental climate with cold winters and warm summers. Most of the state is Zone 5a-5b. Excellent for cool-season crops and hardy fruits.