What to plant in August in zone 4b
2 crops to start indoors, direct sow, transplant, or harvest in August in USDA hardiness zone 4b. Typical last spring frost around May 8, 2026, first fall frost around Oct 3, 2026 — exact dates vary by location within the zone.
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Plant out
Set out these crops (sets, tubers, or starts) now.
Keep going
Timings use NOAA 1991–2020 climate normals for a representative location (Utica, MN) in zone 4b, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.