Aiken, SC 29805 Frost Dates
When can you plant in Aiken, SC?
Around 03/19 is the usual last spring frost, about 203 days away. The first fall frost typically arrives around 11/14, about 241 frost-free days later.
Aiken sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 11 weeks of growing season left in Aiken before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 03/19 isn't a guarantee
03/19 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Aiken compares
At roughly 241 frost-free days, Aiken places 8,517 of 40,283 ZIP codes in this dataset. Within SC, it ranks 170 of 519.
Learn more
zone vs. frost date covers why Zone 8b and Aiken's frost date answer different questions. the frost range covers how to read the range around Aiken's dates instead of trusting one.