When to plant onion in zone 7a
A planting schedule for onion in USDA hardiness zone 7a, where the typical last spring frost is around Apr 16, 2026 and the first fall frost around Oct 26, 2026. Dates are computed from NOAA frost normals for a representative location (ZIP 25201) — your exact dates depend on your address.
Onion planting schedule for zone 7a
- Start seeds indoorsJan 10, 2026 – Sep 24, 2026
- Start hardening offMar 21, 2026 – Nov 12, 2026
- Transplant outdoorsApr 4, 2026 – Nov 19, 2026
Playing it safe with tender crops? Spring frost holds off until about May 2, 2026 in roughly 9 years out of 10.
Zone 7a covers a lot of ground. Enter your ZIP for onion dates worked out from your nearest weather station:
Free on one garden — no credit card. See the full onion growing guide or the whole zone 7a calendar.
Onion in other zones
More crops for zone 7a
Frost dates are NOAA 1991–2020 climate normals for a representative location (ZIP 25201) in zone 7a; your exact dates depend on your address. Schedules are guidance, not guarantees.