Wooster, AR 72181 Frost Dates
72181, near Wooster, AR: the frost window
Typically, the last spring freeze lands around 04/02, roughly 217 days out. Fall's first freeze usually shows up around 11/02, roughly 215 days after the last spring frost.
Zone 8a (10 to 15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Wooster, not a forecast for this year.
Stretching the season past the first frost
Wooster'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 Wooster's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Wooster against the rest of the dataset
Wooster's growing season runs about 215 days, ranking 14,134 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 463 of 687.
Learn more
Two guides worth reading on 72181: zone vs. frost date, on why Zone 8a and Wooster's frost date answer different questions, and the frost range, on how to read the range around Wooster's dates instead of trusting one.