When to plant Winter Squash in Zone 10a
In Zone 10a, Winter Squash: direct sow outdoors around Jan 31–Feb 21. Expect to harvest around May 6–May 27.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 31 – Feb 21 |
| Harvest | May 6 – May 27 |
Tip: Harvest when the rind is hard and can't be dented by a thumbnail, then cure for storage.
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 →