DibbleWhen to plant basil 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 basil in Zone 10
| Task | Window |
|---|---|
| Start seeds indoors | Jan 3 to Jan 17 |
| Transplant | Feb 7 to Feb 21 |
| Estimated harvest | Apr 8 to Jul 7 |
The harvest estimate counts 60 days to maturity, then a picking window of about 90 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 basil
Start basil indoors 4 weeks before last frost; it hates cold, so transplant after frost. Pinch tops to keep it bushy.
Companion plants
Good neighbors for Basil:
Basil in nearby zones
Keep exploring
Basil: 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.