FrostDateCheck

Barry, MN 56210 Frost Dates

Barry, MN: when does the frost end?

Zone 4b

The last spring frost here typically falls around 05/09, about 254 days from today. Fall's first freeze usually shows up around 09/28, roughly 141 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 Barry, not a forecast for this year.

Stretching the season past the first frost

With roughly 4 weeks until Barry's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Barry's last frost

05/09 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 05/22 and only about 1 year in 10 sees frost after that.

Barry against the rest of the dataset

Barry's growing season runs about 141 days, ranking 37,020 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 735 of 943.

Learn more

Before leaning on 56210's figures: zone vs. frost date explains why Zone 4b and Barry's frost date answer different questions, while the frost range explains how to read the range around Barry's dates instead of trusting one.