Awendaw, SC 29450 Frost Dates
29450, near Awendaw, SC: the frost window
Around 03/07 is the usual last spring frost, about 191 days away. Fall's first freeze usually shows up around 11/27, roughly 266 days after the last spring frost.
Zone 8b (15 to 20°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 Awendaw, not a forecast for this year.
Stretching the season past the first frost
Awendaw's growing season runs out in roughly 13 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
03/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/27 and only about 1 year in 10 sees frost after that.
Awendaw against the rest of the dataset
About 266 days separate Awendaw's last and first frost, putting it 5,944 of 40,283 ZIP codes nationally. Within SC, it ranks 52 of 519.
Learn more
Two guides worth reading on 29450: zone vs. frost date, on why Zone 8b and Awendaw's frost date answer different questions, and the frost range, on how to read the range around Awendaw's dates instead of trusting one.