When to plant mustard in zone 4b

A planting schedule for mustard 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.

Mustard planting schedule for zone 4b

Direct sow outdoorsMay 8, 2026 – Nov 2, 2026

Playing it safe with tender crops? Spring frost holds off until about May 22, 2026 in roughly 9 years out of 10.

Zone 4b covers a lot of ground. Enter your ZIP for mustard dates worked out from your nearest weather station:

Free on one garden — no credit card. See the full mustard growing guide or the whole zone 4b calendar.

Mustard in other zones

Zone 5b
Zone 6b
Zone 7b
Zone 8b
Zone 9b

More crops for zone 4b

Leek
Onion
Celery
Arugula
Collard
Kale
Parsley
Broccoli
Brussels Sprouts
Cabbage
Cauliflower
Kohlrabi

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.