Grantville, GA 30220 Frost Dates
30220, near Grantville, GA: the frost window
The last spring frost here typically falls around 04/03, about 218 days from today. Fall's first freeze usually shows up around 11/02, roughly 214 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 Grantville, not a forecast for this year.
Stretching the season past the first frost
Grantville's growing season runs out in roughly 9 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 Grantville's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Grantville against the rest of the dataset
About 214 days separate Grantville's last and first frost, putting it 14,257 of 40,283 ZIP codes nationally. Within GA, it ranks 845 of 921.
Learn more
Two guides worth reading on 30220: local microclimates, on what one yard in Grantville can differ from the 30220 normal, and zone vs. frost date, on why Zone 8a and Grantville's frost date answer different questions.