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Planting calendar for ZIP 53094 (Watertown, WI)

When to plant vegetables in Watertown, WI (USDA hardiness zone 5b). Typical last spring frost around Apr 28, 2027 (±11 days year to year), first fall frost around Oct 12, 2027 (±11 days).

Playing it safe? Spring frost holds off until about May 12, 2027 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 53094

Month by month in Watertown, WI

January

February

March

April

May

August

Understand your frost dates

Where these dates come from

Frost dates for ZIP 53094 come from NOAA 1991-2020 normals (USC00478919 WATERTOWN WWTP, WI US). You can look up that station’s record yourself.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.