FrostDateCheck

Eitzen, MN 52140 Frost Dates

Frost dates for Eitzen, MN, ZIP 52140

Zone 5a

Around 05/02 is the usual last spring frost, about 247 days away. The first fall frost typically arrives around 10/11, about 161 frost-free days later.

Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Eitzen, not a forecast for this year.

What to do before the first frost

Zone 5a around Eitzen 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.

The actual range around Eitzen's last frost

05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Eitzen compares

Eitzen's growing season runs about 161 days, ranking 32,167 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 212 of 943.

Learn more

the frost range explains how to read the range around Eitzen's dates instead of trusting one, and local microclimates explains what one yard in Eitzen can differ from the 52140 normal.