Friendship, WI 53934 Frost Dates
When can you plant in Friendship, WI?
Typically, the last spring freeze lands around 05/09, roughly 254 days out. The first fall frost typically arrives around 10/03, about 147 frost-free days later.
Friendship sits in USDA Zone 4b (-25 to -20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 5 weeks of growing season left in Friendship before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Friendship compares
About 147 days separate Friendship's last and first frost, putting it 35,948 of 40,283 ZIP codes nationally. Within WI, it ranks 628 of 860.
Learn more
zone vs. frost date covers why Zone 4b and Friendship's frost date answer different questions. the frost range covers how to read the range around Friendship's dates instead of trusting one.