FrostDateCheck

Kandiyohi, MN 56251 Frost Dates

When can you plant in Kandiyohi, MN?

Zone 4b

Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/07, about 159 frost-free days later.

The USDA Plant Hardiness Zone Map puts Kandiyohi in Zone 4b (-25 to -20°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 6 weeks of growing season left in Kandiyohi before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Kandiyohi's last frost

04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Kandiyohi compares

At roughly 159 frost-free days, Kandiyohi places 32,727 of 40,283 ZIP codes in this dataset. Within MN, it ranks 267 of 943.

Learn more

zone vs. frost date covers why Zone 4b and Kandiyohi's frost date answer different questions. the frost range covers how to read the range around Kandiyohi's dates instead of trusting one.