Wadena, MN 56482 Frost Dates
When can you plant in Wadena, MN?
Around 05/10 is the usual last spring frost, about 255 days away. The first fall frost typically arrives around 09/30, about 141 frost-free days later.
Wadena sits in USDA Zone 4a (-30 to -25°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 Wadena before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Wadena's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/29 and you're betting against frost in roughly 9 years out of 10. 05/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wadena compares
At roughly 141 frost-free days, Wadena places 36,905 of 40,283 ZIP codes in this dataset. Within MN, it ranks 714 of 943.
Learn more
the frost range covers how to read the range around Wadena's dates instead of trusting one. local microclimates covers what one yard in Wadena can differ from the 56482 normal.