Waubun, MN 56589 Frost Dates
When can you plant in Waubun, MN?
Typically, the last spring freeze lands around 05/07, roughly 252 days out. The first fall frost typically arrives around 09/28, about 143 frost-free days later.
The USDA Plant Hardiness Zone Map puts Waubun in Zone 4a (-30 to -25°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
About 4 weeks of growing season left in Waubun 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
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 and you're betting against frost in roughly 9 years out of 10. 05/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Waubun compares
About 143 days separate Waubun's last and first frost, putting it 36,612 of 40,283 ZIP codes nationally. Within MN, it ranks 682 of 943.
Learn more
the frost range covers how to read the range around Waubun's dates instead of trusting one. local microclimates covers what one yard in Waubun can differ from the 56589 normal.