Henriette, MN 55036 Frost Dates
When can you plant in Henriette, MN?
The last spring frost here typically falls around 05/09, about 254 days from today. The first fall frost typically arrives around 09/30, about 142 frost-free days later.
Henriette sits in USDA Zone 4a (-30 to -25°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 5 weeks of growing season left in Henriette before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Henriette's last frost
05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/26 and you're betting against frost in roughly 9 years out of 10. 05/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Henriette compares
About 142 days separate Henriette's last and first frost, putting it 36,847 of 40,283 ZIP codes nationally. Within MN, it ranks 706 of 943.
Learn more
the frost range covers how to read the range around Henriette's dates instead of trusting one. local microclimates covers what one yard in Henriette can differ from the 55036 normal.