Prairie Rose, ND 58104 Frost Dates
When can you plant in Prairie Rose, ND?
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/02, about 151 frost-free days later.
Prairie Rose 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 Prairie Rose before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Prairie Rose's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Prairie Rose compares
Prairie Rose's growing season runs about 151 days, ranking 35,213 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 39 of 405.
Learn more
local microclimates covers what one yard in Prairie Rose can differ from the 58104 normal. zone vs. frost date covers why Zone 4a and Prairie Rose's frost date answer different questions.