Buffalo, ND 58011 Frost Dates
When can you plant in Buffalo, ND?
The last spring frost here typically falls around 05/09, about 254 days from today. The first fall frost typically arrives around 10/01, about 143 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 Buffalo, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Buffalo before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Buffalo's last frost
05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Buffalo compares
About 143 days separate Buffalo's last and first frost, putting it 36,653 of 40,283 ZIP codes nationally. Within ND, it ranks 97 of 405.
Learn more
the frost range covers how to read the range around Buffalo's dates instead of trusting one. local microclimates covers what one yard in Buffalo can differ from the 58011 normal.