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Can You Grow Radish in Iowa?

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

Grows well here

Radishes grow in almost any zone — they are one of the fastest and easiest crops you can grow.

Plant zones

2a–9b

Iowa last frost

mid-April

Iowa first frost

mid-October

Days to harvest

22–30 days

When to plant Radishes in Iowa

Direct sow

Apr 15

Harvest

May 7 – May 15

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

About Radish

Radishes are the fastest vegetable you can grow — from seed to harvest in as little as 22 days.

Direct sow in early spring or late summer. Succession plant every 2 weeks for continuous harvest. Pull before they get woody. Great as a companion plant to mark slow-germinating rows.

Full radish 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.