FrostDateCheck

Danube, MN 56230 Frost Dates

When can you plant in Danube, MN?

Zone 4b

The last spring frost here typically falls around 05/06, about 251 days from today. The first fall frost typically arrives around 10/01, about 146 frost-free days later.

The USDA Plant Hardiness Zone Map puts Danube 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 5 weeks of growing season left in Danube before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Danube's last frost

05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Danube compares

At roughly 146 frost-free days, Danube places 36,101 of 40,283 ZIP codes in this dataset. Within MN, it ranks 625 of 943.

Learn more

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