What to plant in June in zone 4b

13 crops to start indoors, direct sow, or transplant in June 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.

Zone 4b covers a lot of ground. Enter your ZIP for June dates from your nearest weather station and a month-by-month calendar:

Transplant outdoors

Move these hardened-off seedlings into the garden.

Chiltepin Pepper
Eggplant
Ethiopian Eggplant
Melon
Melon (Pickling)
Okra
Pepper (Habanero)
Pepper (Hot)
Pepper (Sweet & Hot)
Pepper (Tabasco)

Plant out

Set out these crops (sets, tubers, or starts) now.

Ginger
Sweet Potato
Turmeric

Keep going

Full zone 4b planting calendar →
What to plant in June (all zones) →
Succession planting for a continuous harvest →

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.