North Charleston, SC 29420 Frost Dates
When can you plant in North Charleston, SC?
The last spring frost here typically falls around 03/07, about 191 days from today. The first fall frost typically arrives around 11/27, about 266 frost-free days later.
The USDA Plant Hardiness Zone Map puts North Charleston in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 13 weeks of growing season left in North Charleston before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around North Charleston's last frost
03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/12 and you're betting against frost in roughly 9 years out of 10. 03/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How North Charleston compares
At roughly 266 frost-free days, North Charleston places 5,911 of 40,283 ZIP codes in this dataset. Within SC, it ranks 44 of 519.
Learn more
the frost range covers how to read the range around North Charleston's dates instead of trusting one. local microclimates covers what one yard in North Charleston can differ from the 29420 normal.