Sycamore, GA 31790 Frost Dates
31790, near Sycamore, GA: the frost window
Typically, the last spring freeze lands around 03/11, roughly 195 days out. Fall's first freeze usually shows up around 11/20, roughly 256 days after the last spring frost.
Sycamore sits in USDA Zone 9a (20 to 25°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Sycamore's growing season runs out in roughly 12 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
03/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/29 and only about 1 year in 10 sees frost after that.
Sycamore against the rest of the dataset
At roughly 256 frost-free days, Sycamore places 6,846 of 40,283 ZIP codes in this dataset. Within GA, it ranks 188 of 921.
Learn more
Two guides worth reading on 31790: zone vs. frost date, on why Zone 9a and Sycamore's frost date answer different questions, and the frost range, on how to read the range around Sycamore's dates instead of trusting one.