Winter Squash in Zone 3a
Cucurbita maxima
Method: Direct sow — Direct-sow outside — Winter Squash doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Jun 6–Jun 13 |
| Estimated harvest | ~100 days after direct-sowing |
Spacing: about 4 square feet per plant (square-foot-gardening spacing).
Good companions
- Sweet Corn — Classic 'three sisters' pairing — squash vines shade out weeds.
Where to buy winter squash seeds
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See it growing
Search YouTube for "growing winter squash" videos → (a live search, not a hand-picked video — results vary and aren't vetted by us)
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