Benton, AR 72089 Frost Dates
Benton, AR: when does the frost end?
Around 03/24 is the usual last spring frost, about 208 days away. Fall's first freeze usually shows up around 11/07, roughly 229 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Benton in Zone 8a (10 to 15°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 10 weeks until Benton'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
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/13 and only about 1 year in 10 sees frost after that.
Benton against the rest of the dataset
Benton's growing season runs about 229 days, ranking 10,548 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 247 of 687.
Learn more
Before leaning on 72089's figures: local microclimates explains what one yard in Benton can differ from the 72089 normal, while zone vs. frost date explains why Zone 8a and Benton's frost date answer different questions.