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Can You Grow Turnip in Iowa?

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

Grows well here

Turnips do well here — they prefer cooler weather and actually sweeten after a light frost.

Plant zones

2a–9b

Iowa last frost

mid-April

Iowa first frost

mid-October

Days to harvest

45–60 days

When to plant Turnips in Iowa

Direct sow

Apr 15

Harvest

May 30 – Jun 14

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

About Turnip

Turnips are one of the most cold-hardy root vegetables — they actually improve in flavor after light frosts. Fast-maturing and dual-purpose: eat the roots and the greens.

Direct sow 4-6 weeks before last frost or in fall 8 weeks before first frost. Thin to 4-6 inches. Harvest roots at 2-3 inches for best flavor — larger roots turn woody. Frost sweetens them.

Full turnip 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.