When to plant brussels sprouts in zone 4b
A planting schedule for brussels sprouts in USDA hardiness zone 4b, where the typical last spring frost is around May 8, 2026 and the first fall frost around Oct 3, 2026. Dates are computed from NOAA frost normals for a representative location (Utica, MN) — your exact dates depend on your address.
Brussels Sprouts planting schedule for zone 4b
- Start seeds indoorsMar 13, 2026 – Oct 11, 2026
- Start hardening offApr 14, 2026 – Nov 1, 2026
- Transplant outdoorsApr 24, 2026 – Nov 8, 2026
Playing it safe with tender crops? Spring frost holds off until about May 22, 2026 in roughly 9 years out of 10.
Want exact brussels sproutsdates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:
Free on one garden — no credit card. See the full brussels sprouts growing guide or the whole zone 4b calendar.
Brussels Sprouts in other zones
More crops for zone 4b
Frost dates are NOAA 1991–2020 climate normals for a representative location (Utica, MN) in zone 4b; your exact dates depend on your address. Schedules are guidance, not guarantees.