FrostDateCheck

Pillager, MN 56473 Frost Dates

Frost dates for Pillager, MN, ZIP 56473

Zone 4a

The last spring frost here typically falls around 05/02, about 247 days from today. The first fall frost typically arrives around 10/06, about 156 frost-free days later.

The USDA Plant Hardiness Zone Map puts Pillager 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 Pillager has about 6 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.

How much risk comes with planting early here

05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Pillager compares

At roughly 156 frost-free days, Pillager places 33,780 of 40,283 ZIP codes in this dataset. Within MN, it ranks 332 of 943.

Learn more

local microclimates explains what one yard in Pillager can differ from the 56473 normal, and zone vs. frost date explains why Zone 4a and Pillager's frost date answer different questions.