Huntsville, AR 72740 Frost Dates
72740, near Huntsville, AR: the frost window
Around 04/13 is the usual last spring frost, about 228 days away. Fall's first freeze usually shows up around 10/29, roughly 199 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Huntsville in Zone 7a (0 to 5°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
Huntsville'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.
How much risk comes with planting early here
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/30 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.
Huntsville against the rest of the dataset
At roughly 199 frost-free days, Huntsville places 18,119 of 40,283 ZIP codes in this dataset. Within AR, it ranks 613 of 687.
Learn more
Two guides worth reading on 72740: local microclimates, on what one yard in Huntsville can differ from the 72740 normal, and zone vs. frost date, on why Zone 7a and Huntsville's frost date answer different questions.