DibbleWhen to plant brussels sprouts in Zone 10
In Zone 10, the last spring frost usually passes around January 31 and the first fall frost arrives around December 15, leaving about 318 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Nearly frost-free. Grow cool crops in winter; summers are too hot for many vegetables.
Planting windows for brussels sprouts in Zone 10
| Task | Window |
|---|---|
| Start seeds indoors | Jan 3 to Jan 17 |
| Transplant | Feb 14 to Feb 28 |
| Estimated harvest | May 25 to Jun 24 |
The harvest estimate counts 100 days to maturity, then a picking window of about 30 days. These windows use typical frost dates for Zone 10; Dibble pins them to your exact ZIP code.
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How to grow brussels sprouts
A long-season brassica best for fall. Start indoors around last frost, transplant after, and let frost sweeten the sprouts.
Companion plants
Good neighbors for Brussels Sprouts:
Better kept apart:
Brussels Sprouts in nearby zones
Keep exploring
Brussels Sprouts: the full growing guide · The Zone 10 planting calendar · Every crop and zone
Plant at the right time this season
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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.