DibbleWhen to plant zucchini 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 zucchini in Zone 10
| Task | Window |
|---|---|
| Direct sow | Feb 7 to Feb 21 |
| Estimated harvest | Apr 3 to May 15 |
The harvest estimate counts 55 days to maturity, then a picking window of about 42 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 zucchini
Sow summer squash a week after last frost. One or two plants feed a family, pick young and often.
Companion plants
Good neighbors for Zucchini:
Better kept apart:
Zucchini in nearby zones
Keep exploring
Zucchini: 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.