South Fulton, TN 38257 Frost Dates
South Fulton, TN: when does the frost end?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 10/28, roughly 204 days after the last spring frost.
Zone 7b (5 to 10°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 South Fulton, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until South Fulton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/04 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 04/21 and only about 1 year in 10 sees frost after that.
South Fulton against the rest of the dataset
About 204 days separate South Fulton's last and first frost, putting it 16,630 of 40,283 ZIP codes nationally. Within TN, it ranks 468 of 770.
Learn more
Before leaning on 38257's figures: the frost range explains how to read the range around South Fulton's dates instead of trusting one, while local microclimates explains what one yard in South Fulton can differ from the 38257 normal.