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Can You Grow Broccoli in Hawaii?
US · USDA Zone 12b · zones 9b, 10a, 10b, 11a, 11b, 12a, 12b
Broccoli struggles in zones without a cool growing season though spring and fall planting can work.
Plant zones
Hawaii last frost
Hawaii first frost
Days to harvest
When to plant Broccolis in Hawaii
Start indoors
Transplant
Harvest
Dates are approximate, based on Hawaii's average frost dates. Your exact yard may vary by microclimate.
About Broccoli
Broccoli is a cool-season crop that produces best in spring and fall when temperatures are moderate.
Start indoors 6-8 weeks before last frost for spring planting or direct sow in midsummer for fall. Harvest the main head before it flowers — side shoots continue producing after.
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.
Frequently asked questions
Can you grow Broccoli in Hawaii?
Broccoli struggles in zones without a cool growing season though spring and fall planting can work.
What zone is Hawaii?
Hawaii spans USDA Zone 12b (9b, 10a, 10b, 11a, 11b, 12a, 12b).
When do you plant Broccolis in Hawaii?
Plant Broccolis around no frost (start indoors Jan 1), harvest Mar 2 – Mar 22.