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Planting calendar for ZIP 53120 (East Troy, WI)

When to plant vegetables in East Troy, WI (USDA hardiness zone 5b). Typical last spring frost around May 5, 2026 12 days year to year), first fall frost around Oct 10, 202610 days).

Playing it safe? Spring frost holds off until about May 20, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in East Troy, WI

January

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 53120: NOAA 1991-2020 normals (USC00477314 ROCHESTER WWTP, WI US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.