Ozark, AR 72949 Frost Dates
72949, near Ozark, AR: the frost window
Typically, the last spring freeze lands around 03/24, roughly 208 days out. Fall's first freeze usually shows up around 11/10, roughly 233 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ozark in Zone 7b (5 to 10°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
Ozark'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.
The actual range around Ozark's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Ozark against the rest of the dataset
Ozark's growing season runs about 233 days, ranking 9,900 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 194 of 687.
Learn more
Two guides worth reading on 72949: zone vs. frost date, on why Zone 7b and Ozark's frost date answer different questions, and the frost range, on how to read the range around Ozark's dates instead of trusting one.