When to plant Winter Squash in Zone 9b
In Zone 9b, Winter Squash: direct sow outdoors around Feb 15–Mar 8. Expect to harvest around May 21–Jun 11.
| Step | When |
|---|---|
| Direct sow outdoors | Feb 15 – Mar 8 |
| Harvest | May 21 – Jun 11 |
Tip: Harvest when the rind is hard and can't be dented by a thumbnail, then cure for storage.
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 →