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Can You Grow Radish in Hawaii?

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

Won't grow here

Radishes grow in virtually every zone with a few weeks of frost-free weather.

Plant zones

2a–9b

Hawaii last frost

no frost

Hawaii first frost

no frost

Days to harvest

22–30 days

When to plant Radishes in Hawaii

Direct sow

Jan 1

Harvest

Jan 23 – Jan 31

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

About Radish

Radishes are the fastest vegetable you can grow — from seed to harvest in as little as 22 days.

Direct sow in early spring or late summer. Succession plant every 2 weeks for continuous harvest. Pull before they get woody. Great as a companion plant to mark slow-germinating rows.

Full radish 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 Radish in Hawaii?

Radishes grow in virtually every zone with a few weeks of frost-free weather.

What zone is Hawaii?

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

When do you plant Radishes in Hawaii?

Plant Radishes Jan 1, harvest Jan 23 – Jan 31.