Ozan, AR 71855 Frost Dates
71855, near Ozan, AR: the frost window
Around 03/26 is the usual last spring frost, about 210 days away. Fall's first freeze usually shows up around 11/09, roughly 227 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 Ozan, not a forecast for this year.
Stretching the season past the first frost
Ozan's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/12 and only about 1 year in 10 sees frost after that.
Ozan against the rest of the dataset
Ozan's growing season runs about 227 days, ranking 11,089 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 305 of 687.
Learn more
Two guides worth reading on 71855: local microclimates, on what one yard in Ozan can differ from the 71855 normal, and zone vs. frost date, on why Zone 8a and Ozan's frost date answer different questions.