Adrian, MN 56110 Frost Dates
Adrian, MN: when does the frost end?
Typically, the last spring freeze lands around 05/01, roughly 246 days out. Fall's first freeze usually shows up around 10/04, roughly 156 days after the last spring frost.
Adrian sits in USDA Zone 5a (-20 to -15°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 Adrian'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
05/01 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.
Adrian against the rest of the dataset
Adrian's growing season runs about 156 days, ranking 33,708 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 319 of 943.
Learn more
Before leaning on 56110's figures: zone vs. frost date explains why Zone 5a and Adrian's frost date answer different questions, while the frost range explains how to read the range around Adrian's dates instead of trusting one.