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Planting calendar for ZIP 53804 (Bloomington, WI)

When to plant vegetables in Bloomington, WI (USDA hardiness zone 5a). Typical last spring frost around Apr 27, 2026 12 days year to year), first fall frost around Oct 11, 202611 days).

Playing it safe? Spring frost holds off until about May 12, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Bloomington, WI

January

February

March

April

May

July

August

Understand your frost dates

Frost dates for ZIP 53804: NOAA 1991-2020 normals (USC00474546 LANCASTER 4 WSW, WI US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.