DibbleWhen to plant potato 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 potato in Zone 10
| Task | Window |
|---|---|
| Direct sow | Jan 17 to Jan 31 |
| Estimated harvest | Apr 17 to May 8 |
The harvest estimate counts 90 days to maturity, then a picking window of about 21 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 potato
Plant seed potato pieces (each with an eye) about 2 weeks before your last frost, 4 inches deep. Hill soil up as plants grow.
Companion plants
Good neighbors for Potato:
Better kept apart:
Potato in nearby zones
Keep exploring
Potato: 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.