Eitzen, MN 55931 Frost Dates
55931, near Eitzen, MN: the frost window
Around 04/29 is the usual last spring frost, about 244 days away. Fall's first freeze usually shows up around 10/10, roughly 165 days after the last spring frost.
Eitzen sits in USDA Zone 5a (-20 to -15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Eitzen's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Eitzen against the rest of the dataset
About 165 days separate Eitzen's last and first frost, putting it 30,741 of 40,283 ZIP codes nationally. Within MN, it ranks 114 of 943.
Learn more
Two guides worth reading on 55931: the frost range, on how to read the range around Eitzen's dates instead of trusting one, and local microclimates, on what one yard in Eitzen can differ from the 55931 normal.