Pulaski, WI 54162 Frost Dates
54162, near Pulaski, WI: the frost window
Typically, the last spring freeze lands around 05/07, roughly 252 days out. Fall's first freeze usually shows up around 10/09, roughly 154 days after the last spring frost.
Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Pulaski, not a forecast for this year.
Stretching the season past the first frost
Pulaski's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Pulaski's last frost
05/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.
Pulaski against the rest of the dataset
About 154 days separate Pulaski's last and first frost, putting it 34,279 of 40,283 ZIP codes nationally. Within WI, it ranks 478 of 860.
Learn more
Two guides worth reading on 54162: local microclimates, on what one yard in Pulaski can differ from the 54162 normal, and zone vs. frost date, on why Zone 5a and Pulaski's frost date answer different questions.