Minot, ND 58703 Frost Dates
When can you plant in Minot, ND?
Around 05/10 is the usual last spring frost, about 255 days away. The first fall frost typically arrives around 10/01, about 144 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 Minot, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Minot before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Minot's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 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 Minot compares
About 144 days separate Minot's last and first frost, putting it 36,327 of 40,283 ZIP codes nationally. Within ND, it ranks 67 of 405.
Learn more
zone vs. frost date covers why Zone 4a and Minot's frost date answer different questions. the frost range covers how to read the range around Minot's dates instead of trusting one.