10a When to plant winter squash & pumpkins in zone 10a
Zone 10a median last spring freeze: Jan 15 · first fall freeze: Dec 20 · harvest in ~80-120 days.
| Step | Zone 10a dates | Note |
|---|---|---|
| Start seeds indoors | Dec 25 – Jan 8 | 6–10 weeks before transplanting |
| Transplant outside | Jan 22 | after last spring freeze |
| Direct sow (spring) | Jan 8 | before last spring freeze |
How winter squash & pumpkins grow in zone 10a
Direct sow or transplant both work. Tender — damaged by any frost. Harvest runs roughly 80-120 days after planting. These windows come from extension planting tables anchored to zone 10a's median freeze dates — for varieties and local conditions, check with your local extension office.
Next: the full zone 10a calendar · other crops in zone 10a: tomatoes · peppers · cucumbers · zucchini & summer squash · snap beans · sweet corn · peas · lettuce · spinach · 5 more