Sulphur Springs, AR 72768 Frost Dates
72768, near Sulphur Springs, AR: the frost window
Typically, the last spring freeze lands around 04/05, roughly 220 days out. Fall's first freeze usually shows up around 10/28, roughly 204 days after the last spring frost.
Sulphur Springs sits in USDA Zone 7a (0 to 5°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
Sulphur Springs'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 Sulphur Springs's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Sulphur Springs against the rest of the dataset
Sulphur Springs's growing season runs about 204 days, ranking 16,719 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 574 of 687.
Learn more
Two guides worth reading on 72768: zone vs. frost date, on why Zone 7a and Sulphur Springs's frost date answer different questions, and the frost range, on how to read the range around Sulphur Springs's dates instead of trusting one.