Blue Mountain, AR 72838 Frost Dates
72838, near Blue Mountain, AR: the frost window
Typically, the last spring freeze lands around 03/31, roughly 215 days out. Fall's first freeze usually shows up around 11/01, roughly 215 days after the last spring frost.
Blue Mountain sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Blue Mountain's growing season runs out in roughly 9 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 Blue Mountain's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Blue Mountain against the rest of the dataset
At roughly 215 frost-free days, Blue Mountain places 14,203 of 40,283 ZIP codes in this dataset. Within AR, it ranks 482 of 687.
Learn more
Two guides worth reading on 72838: local microclimates, on what one yard in Blue Mountain can differ from the 72838 normal, and zone vs. frost date, on why Zone 8a and Blue Mountain's frost date answer different questions.