When to plant spinach 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 spinach in Zone 10

The harvest estimate counts 45 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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Spinach in a Zone 10 season

Zone 10 gives about 318 frost-free days. Spinach needs roughly 45 days from sowing. That leaves about 273 days of slack, so there is room for a late start or a second planting.

Sowing every 14 days, Zone 10 has room for about 20 plantings.

How to grow spinach

Sow spinach in the cool part of the year: it thrives in cool soil and bolts quickly in heat or long days. Sow again every 2 weeks while it stays cool, and stop when the weather warms.

Companion plants

Good neighbors for Spinach:

Spinach in other zones

Not in Zone 10? Pick your zone for the same dated windows.

Keep exploring

Spinach: 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.