La Farge, WI 54639 Frost Dates
Frost dates for La Farge, WI, ZIP 54639
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/14, about 170 frost-free days later.
The USDA Plant Hardiness Zone Map puts La Farge in Zone 4b (-25 to -20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 4b around La Farge has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/27 isn't a guarantee
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How La Farge compares
About 170 days separate La Farge's last and first frost, putting it 29,163 of 40,283 ZIP codes nationally. Within WI, it ranks 127 of 860.
Learn more
zone vs. frost date explains why Zone 4b and La Farge's frost date answer different questions, and the frost range explains how to read the range around La Farge's dates instead of trusting one.