When to plant acorn squash

Tender · frost kills it

Acorn Squashis 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.

Acorn Squash planting timeline

Direct sow

1–3 wks after

Harvest

80–100 days later

-1 wksLAST SPRING FROST+16 wks

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

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Acorn Squash planting FAQ

Can I direct sow acorn squash?

Yes — you can sow acorn squash directly outdoors 1–3 weeks after the last spring frost.

How long does acorn squash take to grow?

Acorn Squash takes about 80–100 days from sowing to harvest, depending on the variety and conditions.

Is acorn squash frost-hardy?

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

Planting reminders

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