Warroad, MN 56756 Frost Dates
When can you plant in Warroad, MN?
Typically, the last spring freeze lands around 05/16, roughly 261 days out. The first fall frost typically arrives around 09/24, about 129 frost-free days later.
Warroad sits in USDA Zone 3b (-35 to -30°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.
What to do before the first frost
About 4 weeks of growing season left in Warroad 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
05/16 is the middle of 30 years of NOAA records, not a promise. Plant by 05/05 and you're betting against frost in roughly 9 years out of 10. 05/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Warroad compares
Warroad's growing season runs about 129 days, ranking 38,469 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 866 of 943.
Learn more
the frost range covers how to read the range around Warroad's dates instead of trusting one. local microclimates covers what one yard in Warroad can differ from the 56756 normal.