Wishek, ND 58495 Frost Dates
When can you plant in Wishek, ND?
The last spring frost here typically falls around 05/13, about 258 days from today. The first fall frost typically arrives around 09/27, about 135 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 Wishek, not a forecast for this year.
What to do before the first frost
About 4 weeks of growing season left in Wishek before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Wishek's last frost
05/13 is the middle of 30 years of NOAA records, not a promise. Plant by 05/02 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wishek compares
At roughly 135 frost-free days, Wishek places 37,897 of 40,283 ZIP codes in this dataset. Within ND, it ranks 260 of 405.
Learn more
zone vs. frost date covers why Zone 4a and Wishek's frost date answer different questions. the frost range covers how to read the range around Wishek's dates instead of trusting one.