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Can You Grow Corn in Delaware?

US · USDA Zone 7a · zones 6b, 7a

Grows well here

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

Plant zones

3b–11b

Delaware last frost

early March

Delaware first frost

late November

Days to harvest

60–90 days

When to plant Corn in Delaware

Direct sow

Mar 7

Harvest

May 6 – Jun 5

Dates are approximate, based on Delaware'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 Delaware

Delaware has a humid subtropical climate moderated by the Atlantic. Mild winters and warm summers support a long growing season for mid-Atlantic vegetables.

See what grows well in Delaware →

Frequently asked questions

Can you grow Corn in Delaware?

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

What zone is Delaware?

Delaware spans USDA Zone 7a (6b, 7a).

When do you plant Corn in Delaware?

Plant Corn Mar 7, harvest May 6 – Jun 5.