Oil Trough, AR 72564 Frost Dates
72564, near Oil Trough, AR: the frost window
The last spring frost here typically falls around 03/18, about 202 days from today. Fall's first freeze usually shows up around 11/11, roughly 240 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 Oil Trough, not a forecast for this year.
Stretching the season past the first frost
Oil Trough'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.
Why 03/18 isn't a guarantee
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/04 and only about 1 year in 10 sees frost after that.
Oil Trough against the rest of the dataset
About 240 days separate Oil Trough's last and first frost, putting it 8,721 of 40,283 ZIP codes nationally. Within AR, it ranks 94 of 687.
Learn more
Two guides worth reading on 72564: zone vs. frost date, on why Zone 8a and Oil Trough's frost date answer different questions, and the frost range, on how to read the range around Oil Trough's dates instead of trusting one.