Jasper, AR 72655 Frost Dates
72655, near Jasper, AR: the frost window
Typically, the last spring freeze lands around 04/07, roughly 222 days out. Fall's first freeze usually shows up around 11/04, roughly 211 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Jasper in Zone 7b (5 to 10°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
Jasper's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Jasper's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.
Jasper against the rest of the dataset
Jasper's growing season runs about 211 days, ranking 14,840 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 519 of 687.
Learn more
Two guides worth reading on 72655: local microclimates, on what one yard in Jasper can differ from the 72655 normal, and zone vs. frost date, on why Zone 7b and Jasper's frost date answer different questions.