Brooten, MN 56316 Frost Dates
Brooten, MN: when does the frost end?
Typically, the last spring freeze lands around 05/04, roughly 249 days out. Fall's first freeze usually shows up around 10/04, roughly 152 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Brooten in Zone 4b (-25 to -20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 5 weeks until Brooten's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Brooten's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Brooten against the rest of the dataset
About 152 days separate Brooten's last and first frost, putting it 34,849 of 40,283 ZIP codes nationally. Within MN, it ranks 460 of 943.
Learn more
Before leaning on 56316's figures: zone vs. frost date explains why Zone 4b and Brooten's frost date answer different questions, while the frost range explains how to read the range around Brooten's dates instead of trusting one.