Pine River, MN 56474 Frost Dates
When can you plant in Pine River, MN?
The last spring frost here typically falls around 05/05, about 250 days from today. The first fall frost typically arrives around 10/05, about 150 frost-free days later.
Zone 4a (-30 to -25°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 Pine River, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Pine River before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pine River compares
At roughly 150 frost-free days, Pine River places 35,345 of 40,283 ZIP codes in this dataset. Within MN, it ranks 527 of 943.
Learn more
the frost range covers how to read the range around Pine River's dates instead of trusting one. local microclimates covers what one yard in Pine River can differ from the 56474 normal.