Milaca, MN 56353 Frost Dates
Frost dates for Milaca, MN, ZIP 56353
The last spring frost here typically falls around 05/08, about 253 days from today. The first fall frost typically arrives around 10/01, about 143 frost-free days later.
The USDA Plant Hardiness Zone Map puts Milaca 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
Zone 4a around Milaca has about 5 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 05/08 isn't a guarantee
05/08 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Milaca compares
About 143 days separate Milaca's last and first frost, putting it 36,528 of 40,283 ZIP codes nationally. Within MN, it ranks 676 of 943.
Learn more
zone vs. frost date explains why Zone 4a and Milaca's frost date answer different questions, and the frost range explains how to read the range around Milaca's dates instead of trusting one.