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Planting calendar for ZIP 53527 (Cottage Grove, WI)

When to plant vegetables in Cottage Grove, WI (USDA hardiness zone 5b). Typical last spring frost around May 1, 2026 12 days year to year), first fall frost around Oct 10, 202611 days).

Playing it safe? Spring frost holds off until about May 16, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Cottage Grove, WI

January

February

March

April

May

July

August

Understand your frost dates

Frost dates for ZIP 53527: NOAA 1991-2020 normals (USW00014837 MADISON DANE RGNL AP, WI US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.