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Planting calendar for ZIP 53022 (Germantown, WI)

When to plant vegetables in Germantown, WI (USDA hardiness zone 5b). Typical last spring frost around May 6, 2026 13 days year to year), first fall frost around Oct 8, 202611 days).

Playing it safe? Spring frost holds off until about May 22, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Germantown, WI

January

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 53022: NOAA 1991-2020 normals (USC00473058 GERMANTOWN, WI US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.