When to plant Winter Squash in Zone 5b
In Zone 5b, Winter Squash: direct sow outdoors around Apr 30–May 21. Expect to harvest around Aug 3–Aug 24.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 30 – May 21 |
| Harvest | Aug 3 – Aug 24 |
Tip: Harvest when the rind is hard and can't be dented by a thumbnail, then cure for storage.
Zone 5b averages a last spring frost around Apr 30 and a first fall frost around Oct 5. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5b calendar in the tool →