When to plant cauliflower in zone 5a
A planting schedule for cauliflower in USDA hardiness zone 5a, where the typical last spring frost is around May 4, 2026 and the first fall frost around Oct 6, 2026. Dates are computed from NOAA frost normals for a representative location (Rumford, ME) — your exact dates depend on your address.
Cauliflower planting schedule for zone 5a
- Start seeds indoorsMar 6, 2026 – Sep 26, 2026
- Start hardening offApr 7, 2026 – Oct 17, 2026
- Transplant outdoorsApr 17, 2026 – Oct 24, 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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Cauliflower in other zones
More crops for zone 5a
Frost dates are NOAA 1991–2020 climate normals for a representative location (Rumford, ME) in zone 5a; your exact dates depend on your address. Schedules are guidance, not guarantees.