Blytheville, AR 72315 Frost Dates
72315, near Blytheville, AR: the frost window
Typically, the last spring freeze lands around 03/18, roughly 202 days out. Fall's first freeze usually shows up around 11/14, roughly 240 days after the last spring frost.
Blytheville 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
Blytheville's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/18 isn't a guarantee
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/03 and only about 1 year in 10 sees frost after that.
Blytheville against the rest of the dataset
About 240 days separate Blytheville's last and first frost, putting it 8,676 of 40,283 ZIP codes nationally. Within AR, it ranks 85 of 687.
Learn more
Two guides worth reading on 72315: the frost range, on how to read the range around Blytheville's dates instead of trusting one, and local microclimates, on what one yard in Blytheville can differ from the 72315 normal.