When to plant summer squash in zone 12b
A planting schedule for summer squash in USDA hardiness zone 12b, where the typical last spring frost is around Apr 12, 2026 and the first fall frost around Dec 1, 2026. Dates are computed from NOAA frost normals for a representative location (ZIP 96710) — your exact dates depend on your address.
Summer Squash planting schedule for zone 12b
- Start seeds indoorsApr 24, 2026 – Nov 10, 2026
- Start hardening offMay 12, 2026 – Nov 24, 2026
- Transplant outdoorsMay 22, 2026 – Dec 1, 2026
Playing it safe with tender crops? Spring frost holds off until about May 15, 2026 in roughly 9 years out of 10.
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Summer Squash in other zones
More crops for zone 12b
Frost dates are NOAA 1991–2020 climate normals for a representative location (ZIP 96710) in zone 12b; your exact dates depend on your address. Schedules are guidance, not guarantees.