When to plant Spinach in Zone 9b
In Zone 9b, Spinach: direct sow outdoors around Jan 4–Feb 1; direct sow outdoors around Oct 20–Nov 10. Expect to harvest around Feb 13–Mar 13.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 4 – Feb 1 |
| Direct sow outdoors | Oct 20 – Nov 10 |
| Harvest | Feb 13 – Mar 13 |
| Harvest | Nov 29 – Dec 20 |
Tip: Very cold-hardy; sow as soon as soil can be worked, and again in fall. Bolts in heat.
Zone 9b averages a last spring frost around Feb 15 and a first fall frost around Dec 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9b calendar in the tool →