Fort Oglethorpe, GA 30742 Frost Dates
30742, near Fort Oglethorpe, GA: the frost window
The last spring frost here typically falls around 04/06, about 221 days from today. Fall's first freeze usually shows up around 10/30, roughly 205 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 Fort Oglethorpe, not a forecast for this year.
Stretching the season past the first frost
Fort Oglethorpe'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.
How much risk comes with planting early here
04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.
Fort Oglethorpe against the rest of the dataset
Fort Oglethorpe's growing season runs about 205 days, ranking 16,205 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 878 of 921.
Learn more
Two guides worth reading on 30742: local microclimates, on what one yard in Fort Oglethorpe can differ from the 30742 normal, and zone vs. frost date, on why Zone 8a and Fort Oglethorpe's frost date answer different questions.