When to plant winter squash (acorn) in zone 6a
A planting schedule for winter squash (acorn) in USDA hardiness zone 6a, where the typical last spring frost is around Apr 29, 2026 and the first fall frost around Oct 17, 2026. Dates are computed from NOAA frost normals for a representative location (ZIP 43330) — your exact dates depend on your address.
Winter Squash (Acorn) planting schedule for zone 6a
- Start seeds indoorsApr 23, 2026 – Sep 26, 2026
- Start hardening offMay 11, 2026 – Oct 10, 2026
- Transplant outdoorsMay 21, 2026 – Oct 17, 2026
Playing it safe with tender crops? Spring frost holds off until about May 14, 2026 in roughly 9 years out of 10.
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Winter Squash (Acorn) in other zones
More crops for zone 6a
Frost dates are NOAA 1991–2020 climate normals for a representative location (ZIP 43330) in zone 6a; your exact dates depend on your address. Schedules are guidance, not guarantees.