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Can You Grow Brussels Sprouts in California?

US · USDA Zone 9b · zones 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b

Won't grow here

Brussels sprouts need 90-180 days which is too long for very short-season zones.

Plant zones

3a–9a

California last frost

mid-January

California first frost

late December

Days to harvest

90–180 days

When to plant Brussels Sproutses in California

Start indoors

Jan 1

Transplant

Jan 10

Harvest

Apr 10 – Jul 9

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

About Brussels Sprouts

Brussels sprouts have a long season but reward patience — sprouts actually improve after a light frost.

Start indoors 8 weeks before last frost. Plant in the sunniest spot. Needs a long season — start early. Frost improves flavour. Stake in exposed positions against autumn winds.

Full brussels sprouts growing guide →

Gardening in California

California spans more climate zones than any other state. Coastal regions are mild year-round; the Central Valley is hot and productive; mountains are cold; deserts are extreme.