Northrop, MN 56075 Frost Dates
When can you plant in Northrop, MN?
The last spring frost here typically falls around 04/25, about 240 days from today. The first fall frost typically arrives around 10/14, about 171 frost-free days later.
The USDA Plant Hardiness Zone Map puts Northrop in Zone 5a (-20 to -15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 7 weeks of growing season left in Northrop before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Northrop's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Northrop compares
Northrop's growing season runs about 171 days, ranking 28,821 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 80 of 943.
Learn more
the frost range covers how to read the range around Northrop's dates instead of trusting one. local microclimates covers what one yard in Northrop can differ from the 56075 normal.