When to plant Winter Squash in Zone 10b
In Zone 10b, Winter Squash: direct sow outdoors around Jan 15–Feb 5. Expect to harvest around Apr 20–May 11.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 15 – Feb 5 |
| Harvest | Apr 20 – May 11 |
Tip: Harvest when the rind is hard and can't be dented by a thumbnail, then cure for storage.
Zone 10b averages a last spring frost around Jan 15 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10b calendar in the tool →