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Can You Grow Corn in Maryland?

US · USDA Zone 7a · zones 6a, 6b, 7a, 7b

Grows well here

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

Plant zones

3b–11b

Maryland last frost

early March

Maryland first frost

late November

Days to harvest

60–90 days

When to plant Corn in Maryland

Direct sow

Mar 7

Harvest

May 6 – Jun 5

Dates are approximate, based on Maryland'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 Maryland

Maryland has a humid subtropical climate moderated by the Chesapeake Bay. Four distinct seasons with mild winters in most of the state. Long productive growing season.