When to plant cauliflower in Zone 11
In Zone 11, the last spring frost usually passes around January 1 and the first fall frost arrives around December 31, leaving about 365 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Frost-free, tropical. Year-round growing; timing follows wet/dry and heat, not frost.
Planting windows for cauliflower in Zone 11
| Task | Window |
|---|---|
| Start seeds indoors | Nov 20 to Dec 4 |
| Transplant | Dec 18 to Jan 1 |
| Estimated harvest | Feb 26 to Mar 12 |
The harvest estimate counts 70 days to maturity, then a picking window of about 14 days. These windows use typical frost dates for Zone 11; Dibble pins them to your exact ZIP code.
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Cauliflower in a Zone 11 season
Zone 11 gives about 365 frost-free days. Cauliflower needs roughly 70 days from transplant. That leaves about 295 days of slack, so there is room for a late start or a second planting.
How to grow cauliflower
Start seeds indoors about 4 weeks before planting out, timing it so the heads form in cool weather. Steady moisture and cool weather make tight white heads, while heat leaves them loose.
Companion plants
Good neighbors for Cauliflower:
Better kept apart:
Cauliflower in other zones
Not in Zone 11? Pick your zone for the same dated windows.
Keep exploring
Cauliflower: the full growing guide · The Zone 11 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.