When to plant Spinach in Zone 10a
In Zone 10a, Spinach: direct sow outdoors around Dec 20–Jan 17; direct sow outdoors around Nov 2–Nov 23. Expect to harvest around Jan 29–Feb 26.
| Step | When |
|---|---|
| Direct sow outdoors | Dec 20 – Jan 17 |
| Direct sow outdoors | Nov 2 – Nov 23 |
| Harvest | Jan 29 – Feb 26 |
| Harvest | Dec 12 – Jan 2 |
Tip: Very cold-hardy; sow as soon as soil can be worked, and again in fall. Bolts in heat.
Zone 10a averages a last spring frost around Jan 31 and a first fall frost around Dec 28. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10a calendar in the tool →