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Can You Grow Pumpkin in Hawaii?

US · USDA Zone 12b · zones 9b, 10a, 10b, 11a, 11b, 12a, 12b

Won't grow here

Pumpkins need a warm season of 75-100 days that this zone may not reliably provide.

Plant zones

3b–11b

Hawaii last frost

no frost

Hawaii first frost

no frost

Days to harvest

75–100 days

When to plant Pumpkins in Hawaii

Start indoors

Jan 1

Transplant

Jan 1

Harvest

Mar 17 – Apr 11

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

About Pumpkin

Pumpkins need space warmth and sun — allow 2-4 square metres per plant for sprawling vines.

Direct sow or start indoors 3 weeks before last frost. Give each plant 2-4 sq metres. Water at the base to prevent fungal disease. Harvest when the skin is hard and the stem dries.

Full pumpkin growing guide →

Gardening in Hawaii

Hawaii is tropical with year-round warmth. Zone varies dramatically by elevation — coastal areas are Zone 11-12 while Mauna Kea slopes reach Zone 9. Year-round growing throughout.

See what grows well in Hawaii →

Frequently asked questions

Can you grow Pumpkin in Hawaii?

Pumpkins need a warm season of 75-100 days that this zone may not reliably provide.

What zone is Hawaii?

Hawaii spans USDA Zone 12b (9b, 10a, 10b, 11a, 11b, 12a, 12b).

When do you plant Pumpkins in Hawaii?

Plant Pumpkins around no frost (start indoors Jan 1), harvest Mar 17 – Apr 11.