DibbleWhen to plant oregano 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 oregano in Zone 10
| Task | Window |
|---|---|
| Start seeds indoors | Dec 20 to Jan 3 |
| Transplant | Jan 31 to Feb 14 |
| Estimated harvest | May 1 to Sep 28 |
The harvest estimate counts 90 days to maturity, then a picking window of about 150 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 oregano
Start indoors 6 weeks before last frost or set out transplants. A spreading, hardy perennial, flavor deepens in full sun.
Companion plants
Good neighbors for Oregano:
Oregano in nearby zones
Keep exploring
Oregano: 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.