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Can You Grow Butternut Squash in South Carolina?

US · USDA Zone 8a · zones 7a, 7b, 8a, 8b

Grows well here

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

Plant zones

3a–10b

South Carolina last frost

mid-February

South Carolina first frost

early December

Days to harvest

100–120 days

When to plant Butternut Squashes in South Carolina

Start indoors

Jan 18

Transplant

Feb 15

Harvest

May 26 – Jun 15

Dates are approximate, based on South Carolina'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 South Carolina

South Carolina has a humid subtropical climate with long hot summers and mild winters. The Upstate is Zone 7a-7b; the coast is Zone 8a-8b. Two growing seasons are standard.