Centerville, GA 31297 Frost Dates
31297, near Centerville, GA: the frost window
Around 03/21 is the usual last spring frost, about 205 days away. Fall's first freeze usually shows up around 11/10, roughly 235 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Centerville in Zone 8b (15 to 20°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
Centerville'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 03/21 isn't a guarantee
03/21 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 04/07 and only about 1 year in 10 sees frost after that.
Centerville against the rest of the dataset
Centerville's growing season runs about 235 days, ranking 9,584 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 423 of 921.
Learn more
Two guides worth reading on 31297: local microclimates, on what one yard in Centerville can differ from the 31297 normal, and zone vs. frost date, on why Zone 8b and Centerville's frost date answer different questions.