Adams, ND 58210 Frost Dates
When can you plant in Adams, ND?
The last spring frost here typically falls around 05/15, about 260 days from today. The first fall frost typically arrives around 09/22, about 128 frost-free days later.
Zone 3b (-35 to -30°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 Adams, not a forecast for this year.
What to do before the first frost
About 4 weeks of growing season left in Adams before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Adams's last frost
05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 05/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Adams compares
Adams's growing season runs about 128 days, ranking 38,587 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 325 of 405.
Learn more
local microclimates covers what one yard in Adams can differ from the 58210 normal. zone vs. frost date covers why Zone 3b and Adams's frost date answer different questions.