Summer Squash (Yellow) in Zone 10a
Cucurbita pepo
Method: Start indoors — Start indoors from seed, then transplant outside — in your zone, Summer Squash (Yellow) needs a head start on the heat that direct-sowing elsewhere doesn't require.
| Window | Spring window |
|---|---|
| Start indoors | Jan–Feb |
| Direct sow / transplant outside | Feb–Mar |
| Estimated harvest | ~55 days after transplanting |
| Window | Monsoon window |
|---|---|
| Start indoors | Jul–Aug |
| Direct sow / transplant outside | Aug–Sep |
| Estimated harvest | ~55 days after transplanting |
Spacing: 1 per square foot (square-foot-gardening spacing).
Zone 10a dates sourced from growinginthegarden.com.
Good companions
- Nasturtium — Nasturtium is a trap crop that draws aphids away from squash.
- Radish — Interplanted radish is reputed to deter squash vine borer.
Where to buy summer squash (yellow) seeds
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See it growing
Search YouTube for "growing summer squash (yellow)" videos → (a live search, not a hand-picked video — results vary and aren't vetted by us)
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