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Can You Grow Zucchini in Hawaii?

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

Won't grow here

Zucchini needs a warm season with more frost-free days than this zone typically provides.

Plant zones

4a–11b

Hawaii last frost

no frost

Hawaii first frost

no frost

Days to harvest

45–60 days

When to plant Zucchinis in Hawaii

Start indoors

Jan 1

Transplant

Jan 1

Harvest

Feb 15 – Mar 2

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

About Zucchini

One of the most productive garden plants — a single zucchini plant can yield more than a family can eat at peak season.

Direct sow after last frost. Give each plant 2-4 sq metres of space. Water at the base to prevent fungal disease. Pick frequently to keep the plant producing.

Full zucchini 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 Zucchini in Hawaii?

Zucchini needs a warm season with more frost-free days than this zone typically provides.

What zone is Hawaii?

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

When do you plant Zucchinis in Hawaii?

Plant Zucchinis around no frost (start indoors Jan 1), harvest Feb 15 – Mar 2.