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Planting calendar for ZIP 53190 (Whitewater, WI)

When to plant vegetables in Whitewater, WI (USDA hardiness zone 5b). Typical last spring frost around May 2, 2026 13 days year to year), first fall frost around Oct 9, 202611 days).

Playing it safe? Spring frost holds off until about May 18, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Whitewater, WI

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May

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July

August

Understand your frost dates

Frost dates for ZIP 53190: NOAA 1991-2020 normals (USC00479190 WHITEWATER, WI US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.