Tega Cay, SC 29708 Frost Dates
29708, near Tega Cay, SC: the frost window
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/04, roughly 218 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 Tega Cay, not a forecast for this year.
Stretching the season past the first frost
Tega Cay's growing season runs out in roughly 10 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
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Tega Cay against the rest of the dataset
At roughly 218 frost-free days, Tega Cay places 13,231 of 40,283 ZIP codes in this dataset. Within SC, it ranks 437 of 519.
Learn more
Two guides worth reading on 29708: zone vs. frost date, on why Zone 8a and Tega Cay's frost date answer different questions, and the frost range, on how to read the range around Tega Cay's dates instead of trusting one.