DibbleWhen to plant kale 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 kale in Zone 10
| Task | Window |
|---|---|
| Start seeds indoors | Dec 20 to Jan 3 |
| Transplant | Jan 17 to Jan 31 |
| Estimated harvest | Mar 18 to May 17 |
The harvest estimate counts 60 days to maturity, then a picking window of about 60 days. These windows use typical frost dates for Zone 10; Dibble pins them to your exact ZIP code.
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Kale in a Zone 10 season
Zone 10 gives about 318 frost-free days. Kale needs roughly 60 days from transplant. That leaves about 258 days of slack, so there is room for a late start or a second planting.
How to grow kale
Start kale indoors 6 weeks before last frost and transplant 2 weeks before. It's hardy and even sweeter after a fall frost.
Companion plants
Good neighbors for Kale:
Better kept apart:
Kale in other zones
Not in Zone 10? Pick your zone for the same dated windows.
Keep exploring
Kale: the full growing guide · The Zone 10 planting calendar · Every crop and zone
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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.