When to plant lettuce in zone 1a
A planting schedule for lettuce in USDA hardiness zone 1a, where the typical last spring frost is around May 25, 2026 and the first fall frost around Aug 26, 2026. Dates are computed from NOAA frost normals for a representative location (ZIP 99788) — your exact dates depend on your address.
Lettuce planting schedule for zone 1a
- Start seeds indoorsApr 4, 2026 – Jul 29, 2026
- Start hardening offMay 9, 2026 – Aug 21, 2026
- Transplant outdoorsMay 16, 2026 – Aug 26, 2026
Playing it safe with tender crops? Spring frost holds off until about Jun 6, 2026 in roughly 9 years out of 10.
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Lettuce in other zones
More crops for zone 1a
Frost dates are NOAA 1991–2020 climate normals for a representative location (ZIP 99788) in zone 1a; your exact dates depend on your address. Schedules are guidance, not guarantees.