Jasper, AR 72628 Frost Dates
72628, near Jasper, AR: the frost window
The last spring frost here typically falls around 04/07, about 222 days from today. Fall's first freeze usually shows up around 11/04, roughly 211 days after the last spring frost.
Zone 7b (5 to 10°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 Jasper, not a forecast for this year.
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
At roughly 211 frost-free days, Jasper places 14,838 of 40,283 ZIP codes in this dataset. Within AR, it ranks 517 of 687.
Learn more
Two guides worth reading on 72628: local microclimates, on what one yard in Jasper can differ from the 72628 normal, and zone vs. frost date, on why Zone 7b and Jasper's frost date answer different questions.