Great Falls, SC 29055 Frost Dates
29055, near Great Falls, SC: the frost window
Typically, the last spring freeze lands around 04/03, roughly 218 days out. Fall's first freeze usually shows up around 11/02, roughly 213 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 Great Falls, not a forecast for this year.
Stretching the season past the first frost
Great Falls'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
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Great Falls against the rest of the dataset
About 213 days separate Great Falls's last and first frost, putting it 14,513 of 40,283 ZIP codes nationally. Within SC, it ranks 463 of 519.
Learn more
Two guides worth reading on 29055: the frost range, on how to read the range around Great Falls's dates instead of trusting one, and local microclimates, on what one yard in Great Falls can differ from the 29055 normal.