Hope, ND 58046 Frost Dates
Hope, 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 09/27, roughly 136 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hope 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 Hope's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 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.
Hope against the rest of the dataset
Hope's growing season runs about 136 days, ranking 37,792 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 237 of 405.
Learn more
Before leaning on 58046's figures: the frost range explains how to read the range around Hope's dates instead of trusting one, while local microclimates explains what one yard in Hope can differ from the 58046 normal.