Askov, MN 55704 Frost Dates
When can you plant in Askov, MN?
Around 05/18 is the usual last spring frost, about 263 days away. The first fall frost typically arrives around 09/26, about 129 frost-free days later.
The USDA Plant Hardiness Zone Map puts Askov 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 Askov before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Askov's last frost
05/18 is the middle of 30 years of NOAA records, not a promise. Plant by 05/03 and you're betting against frost in roughly 9 years out of 10. 06/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Askov compares
About 129 days separate Askov's last and first frost, putting it 38,503 of 40,283 ZIP codes nationally. Within MN, it ranks 870 of 943.
Learn more
local microclimates covers what one yard in Askov can differ from the 55704 normal. zone vs. frost date covers why Zone 4a and Askov's frost date answer different questions.