Lowry, MN 56349 Frost Dates
56349, near Lowry, MN: the frost window
The last spring frost here typically falls around 05/11, about 256 days from today. Fall's first freeze usually shows up around 09/27, roughly 139 days after the last spring frost.
Zone 4b (-25 to -20°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 Lowry, not a forecast for this year.
Stretching the season past the first frost
Lowry's growing season runs out in roughly 4 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
05/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/27 and only about 1 year in 10 sees frost after that.
Lowry against the rest of the dataset
Lowry's growing season runs about 139 days, ranking 37,272 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 764 of 943.
Learn more
Two guides worth reading on 56349: zone vs. frost date, on why Zone 4b and Lowry's frost date answer different questions, and the frost range, on how to read the range around Lowry's dates instead of trusting one.