Last frost date in La Crosse, Wisconsin

April 27

Average last frost in spring. In an early year (1 in 10) it's over by April 12; in a late year (1 in 10) it comes after May 12.

October 13

Average first frost in fall. 1 year in 10 it comes by September 28.

Source: NOAA U.S. Climate Normals 1991–2020, station La Crosse WFO (USC00474373), 1.7 miles from La Crosse, elevation 1,307 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for La Crosse, Wisconsin
Early yearAverageLate year
Last frost in springApr 12Apr 27May 12
First frost in fallSept 28Oct 13Oct 29

An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.

Frost-free days in an average year: 167

Planting calendar for La Crosse

Fall planting

USDA dates for places whose average first freeze is about October 10 (La Crosse: October 13).

USDA lists chervil and chives, garlic, horseradish, leeks, onion plants, onion seed, onion sets, garden peas, shallots as generally spring-planted here.

Spring planting

USDA dates for places whose average last freeze is about April 30 (La Crosse: April 27).

USDA lists chinese cabbage as generally fall-planted here.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.

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