Plainview, MN 55964 Frost Dates
Plainview, MN: when does the frost end?
Typically, the last spring freeze lands around 05/07, roughly 252 days out. Fall's first freeze usually shows up around 10/02, roughly 148 days after the last spring frost.
Plainview sits in USDA Zone 4b (-25 to -20°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
With roughly 5 weeks until Plainview's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 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.
Plainview against the rest of the dataset
At roughly 148 frost-free days, Plainview places 35,716 of 40,283 ZIP codes in this dataset. Within MN, it ranks 584 of 943.
Learn more
Before leaning on 55964's figures: zone vs. frost date explains why Zone 4b and Plainview's frost date answer different questions, while the frost range explains how to read the range around Plainview's dates instead of trusting one.