Alvarado, MN 56710 Frost Dates
When can you plant in Alvarado, MN?
Around 05/05 is the usual last spring frost, about 250 days away. The first fall frost typically arrives around 10/02, about 147 frost-free days later.
The USDA Plant Hardiness Zone Map puts Alvarado in Zone 4a (-30 to -25°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 5 weeks of growing season left in Alvarado before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Alvarado's last frost
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. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Alvarado compares
At roughly 147 frost-free days, Alvarado places 35,970 of 40,283 ZIP codes in this dataset. Within MN, it ranks 613 of 943.
Learn more
the frost range covers how to read the range around Alvarado's dates instead of trusting one. local microclimates covers what one yard in Alvarado can differ from the 56710 normal.