Luverne, MN 56156 Frost Dates
56156, near Luverne, MN: the frost window
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/04, roughly 156 days after the last spring frost.
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 Luverne, not a forecast for this year.
Stretching the season past the first frost
Luverne's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Luverne's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Luverne against the rest of the dataset
At roughly 156 frost-free days, Luverne places 33,576 of 40,283 ZIP codes in this dataset. Within MN, it ranks 312 of 943.
Learn more
Two guides worth reading on 56156: zone vs. frost date, on why Zone 5a and Luverne's frost date answer different questions, and the frost range, on how to read the range around Luverne's dates instead of trusting one.