Jonesboro, GA 30298 Frost Dates
30298, near Jonesboro, GA: the frost window
Typically, the last spring freeze lands around 03/25, roughly 209 days out. Fall's first freeze usually shows up around 11/12, roughly 235 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Jonesboro 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
Jonesboro'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.
The actual range around Jonesboro's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Jonesboro against the rest of the dataset
About 235 days separate Jonesboro's last and first frost, putting it 9,598 of 40,283 ZIP codes nationally. Within GA, it ranks 431 of 921.
Learn more
Two guides worth reading on 30298: local microclimates, on what one yard in Jonesboro can differ from the 30298 normal, and zone vs. frost date, on why Zone 8b and Jonesboro's frost date answer different questions.