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Can You Grow Butternut Squash in Oklahoma?

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

Grows well here

Butternut squash thrives here with warm, frost-free summers and full sun.

Plant zones

3a–10b

Oklahoma last frost

early March

Oklahoma first frost

late November

Days to harvest

100–120 days

When to plant Butternut Squashes in Oklahoma

Start indoors

Feb 7

Transplant

Mar 7

Harvest

Jun 15 – Jul 5

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

About Butternut Squash

Butternut squash is the most popular winter squash — sweet, smooth, and superb for storage. A vigorous vining plant that needs warm weather and room to sprawl.

Direct sow after last frost or start indoors 3-4 weeks earlier. Harvest when skin turns tan and hard. Cure 1-2 weeks in a warm spot before storing in a cool dry place.

Full butternut squash growing guide →

Gardening in Oklahoma

Oklahoma ranges from Zone 6a in the Panhandle to Zone 7b in the southeast. Hot summers and mild winters. Long growing season for warm-season crops.