Rogers, ND 58479 Frost Dates
Rogers, ND: when does the frost end?
Around 05/13 is the usual last spring frost, about 258 days away. Fall's first freeze usually shows up around 09/26, roughly 136 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Rogers in Zone 4a (-30 to -25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 4 weeks until Rogers's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Rogers's last frost
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Rogers against the rest of the dataset
About 136 days separate Rogers's last and first frost, putting it 37,818 of 40,283 ZIP codes nationally. Within ND, it ranks 252 of 405.
Learn more
Before leaning on 58479's figures: local microclimates explains what one yard in Rogers can differ from the 58479 normal, while zone vs. frost date explains why Zone 4a and Rogers's frost date answer different questions.