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Can You Grow Corn in Missouri?

US · USDA Zone 6a · zones 5a, 5b, 6a, 6b

Grows well here

Corn grows well here — plant in blocks after last frost for a summer harvest.

Plant zones

3b–11b

Missouri last frost

early April

Missouri first frost

late October

Days to harvest

60–90 days

When to plant Corn in Missouri

Direct sow

Apr 1

Harvest

May 31 – Jun 30

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

About Corn

Corn needs space warmth and wind-pollination — plant in blocks not rows for good pollination.

Direct sow after soil reaches 16°C. Plant in a 4x4 block minimum for wind pollination. Needs consistent water especially during tasselling. Not suitable for containers.

Full corn growing guide →

Gardening in Missouri

Missouri has a humid continental climate. Kansas City and St. Louis are Zone 6a-6b; northern Missouri is cooler at Zone 5b-6a. Four distinct seasons with a long growing window.