Wahkon, MN 56386 Frost Dates
Wahkon, MN: when does the frost end?
Typically, the last spring freeze lands around 05/10, roughly 255 days out. Fall's first freeze usually shows up around 10/03, roughly 144 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Wahkon in Zone 4a (-30 to -25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 5 weeks until Wahkon's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Wahkon's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
Wahkon against the rest of the dataset
Wahkon's growing season runs about 144 days, ranking 36,462 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 670 of 943.
Learn more
Before leaning on 56386's figures: zone vs. frost date explains why Zone 4a and Wahkon's frost date answer different questions, while the frost range explains how to read the range around Wahkon's dates instead of trusting one.