Mitchellville, AR 71639 Frost Dates
Mitchellville, AR: when does the frost end?
Around 03/12 is the usual last spring frost, about 196 days away. Fall's first freeze usually shows up around 11/14, roughly 245 days after the last spring frost.
Zone 8b (15 to 20°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 Mitchellville, not a forecast for this year.
Stretching the season past the first frost
With roughly 11 weeks until Mitchellville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Mitchellville's last frost
03/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/29 and only about 1 year in 10 sees frost after that.
Mitchellville against the rest of the dataset
About 245 days separate Mitchellville's last and first frost, putting it 8,071 of 40,283 ZIP codes nationally. Within AR, it ranks 57 of 687.
Learn more
Before leaning on 71639's figures: local microclimates explains what one yard in Mitchellville can differ from the 71639 normal, while zone vs. frost date explains why Zone 8b and Mitchellville's frost date answer different questions.