When to plant sweet corn

Tender · frost kills it

Sweet Cornis keyed to your local frost dates. The offsets below hold anywhere — but the calendar dates they land on don’t. Enter your ZIP for dates tuned to your city’s nearest NOAA station.

Sweet Corn planting timeline

Direct sow

0–2 wks after

Harvest

60–90 days later

-1 wksLAST SPRING FROST+14 wks

Tender: wait until the danger of frost has passed before planting out.

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Sweet Corn planting FAQ

Can I direct sow sweet corn?

Yes — you can sow sweet corn directly outdoors up to 2 weeks after the last spring frost.

How long does sweet corn take to grow?

Sweet Corn takes about 60–90 days from sowing to harvest, depending on the variety and conditions.

Is sweet corn frost-hardy?

Tender: wait until the danger of frost has passed before planting out.

Planting reminders

Never miss a window in your area

An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.

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Planting windows are offsets from your local 1991–2020 NOAA frost normals. How we compute this.