Dodge, ND 58625 Frost Dates
58625, near Dodge, ND: the frost window
Typically, the last spring freeze lands around 05/21, roughly 266 days out. Fall's first freeze usually shows up around 09/20, roughly 121 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Dodge 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
Dodge's growing season runs out in roughly 3 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/21 isn't a guarantee
05/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/03 and only about 1 year in 10 sees frost after that.
Dodge against the rest of the dataset
Dodge's growing season runs about 121 days, ranking 39,061 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 388 of 405.
Learn more
Two guides worth reading on 58625: zone vs. frost date, on why Zone 4a and Dodge's frost date answer different questions, and the frost range, on how to read the range around Dodge's dates instead of trusting one.