Wabasha, MN 55981 Frost Dates
When can you plant in Wabasha, MN?
Typically, the last spring freeze lands around 05/07, roughly 252 days out. The first fall frost typically arrives around 10/02, about 148 frost-free days later.
Wabasha 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 Wabasha before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/07 isn't a guarantee
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wabasha compares
At roughly 148 frost-free days, Wabasha places 35,724 of 40,283 ZIP codes in this dataset. Within MN, it ranks 585 of 943.
Learn more
zone vs. frost date covers why Zone 4b and Wabasha's frost date answer different questions. the frost range covers how to read the range around Wabasha's dates instead of trusting one.