Fountain Inn, SC 29644 Frost Dates
Fountain Inn, SC: when does the frost end?
Typically, the last spring freeze lands around 03/28, roughly 212 days out. Fall's first freeze usually shows up around 11/07, roughly 224 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Fountain Inn in Zone 8a (10 to 15°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
With roughly 10 weeks until Fountain Inn'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
03/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/14 and only about 1 year in 10 sees frost after that.
Fountain Inn against the rest of the dataset
About 224 days separate Fountain Inn's last and first frost, putting it 11,782 of 40,283 ZIP codes nationally. Within SC, it ranks 394 of 519.
Learn more
Before leaning on 29644's figures: the frost range explains how to read the range around Fountain Inn's dates instead of trusting one, while local microclimates explains what one yard in Fountain Inn can differ from the 29644 normal.