Buxton, ND 58223 Frost Dates
Frost dates for Buxton, ND, ZIP 58223
Around 05/02 is the usual last spring frost, about 247 days away. The first fall frost typically arrives around 10/09, about 158 frost-free days later.
Buxton 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
Zone 4a around Buxton has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Buxton compares
About 158 days separate Buxton's last and first frost, putting it 33,122 of 40,283 ZIP codes nationally. Within ND, it ranks 3 of 405.
Learn more
the frost range explains how to read the range around Buxton's dates instead of trusting one, and local microclimates explains what one yard in Buxton can differ from the 58223 normal.