O'Kean, AR 72449 Frost Dates
O'Kean, AR: when does the frost end?
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/01, roughly 214 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts O'Kean 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
With roughly 9 weeks until O'Kean's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
O'Kean against the rest of the dataset
About 214 days separate O'Kean's last and first frost, putting it 14,378 of 40,283 ZIP codes nationally. Within AR, it ranks 497 of 687.
Learn more
Before leaning on 72449's figures: local microclimates explains what one yard in O'Kean can differ from the 72449 normal, while zone vs. frost date explains why Zone 7b and O'Kean's frost date answer different questions.