DibbleWhen to plant rosemary 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 rosemary in Zone 10
| Task | Window |
|---|---|
| Transplant | Feb 7 to Feb 21 |
| Estimated harvest | Jun 7 to Dec 24 |
The harvest estimate counts 120 days to maturity, then a picking window of about 200 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 rosemary
Set out a transplant after the last frost in full sun and sharp drainage. Tender, shelter or pot it up over cold winters.
Companion plants
Good neighbors for Rosemary:
Rosemary in nearby zones
Keep exploring
Rosemary: 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.