Skip to main content

Planting calendar for ZIP 54301 (Green Bay, WI)

When to plant vegetables in Green Bay, WI (USDA hardiness zone 5b). Typical last spring frost around Apr 30, 2026 12 days year to year), first fall frost around Oct 9, 202613 days).

Playing it safe? Spring frost holds off until about May 15, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Green Bay, WI planting calendar for dates typical of the whole city.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

Or get a printable ZIP 54301 calendar and sowing reminders by email:

Month by month in Green Bay, WI

January

February

March

April

May

July

August

Understand your frost dates

Frost dates for ZIP 54301: NOAA 1991-2020 normals (USW00014898 GREEN BAY, WI US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.