Jonesboro, GA 30287 Frost Dates
30287, near Jonesboro, GA: the frost window
The last spring frost here typically falls around 03/25, about 209 days from today. 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.
How much risk comes with planting early here
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 9,597 of 40,283 ZIP codes nationally. Within GA, it ranks 430 of 921.
Learn more
Two guides worth reading on 30287: local microclimates, on what one yard in Jonesboro can differ from the 30287 normal, and zone vs. frost date, on why Zone 8b and Jonesboro's frost date answer different questions.