Alma, AR 72921 Frost Dates
72921, near Alma, AR: the frost window
The last spring frost here typically falls around 04/09, about 224 days from today. Fall's first freeze usually shows up around 10/28, roughly 201 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Alma in Zone 8a (10 to 15°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
Alma'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.
Why 04/09 isn't a guarantee
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Alma against the rest of the dataset
About 201 days separate Alma's last and first frost, putting it 17,496 of 40,283 ZIP codes nationally. Within AR, it ranks 591 of 687.
Learn more
Two guides worth reading on 72921: the frost range, on how to read the range around Alma's dates instead of trusting one, and local microclimates, on what one yard in Alma can differ from the 72921 normal.