What to plant in February in zone 3b
10 crops to start indoors, direct sow, or transplant in February in USDA hardiness zone 3b. Typical last spring frost around May 17, 2026, first fall frost around Sep 26, 2026 — exact dates vary by location within the zone.
Zone 3b covers a lot of ground. Enter your ZIP for February dates from your nearest weather station and a month-by-month calendar:
Start indoors
Sow these under lights or on a windowsill now for transplants later.
Keep going
Timings use NOAA 1991–2020 climate normals for a representative location (Hannah, ND) in zone 3b, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.