Florence, SC 29502 Frost Dates
Frost dates for Florence, SC, ZIP 29502
The last spring frost here typically falls around 03/19, about 203 days from today. The first fall frost typically arrives around 11/13, about 241 frost-free days later.
The USDA Plant Hardiness Zone Map puts Florence in Zone 8b (15 to 20°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
Zone 8b around Florence has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
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 Florence compares
Florence's growing season runs about 241 days, ranking 8,510 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 166 of 519.
Learn more
local microclimates explains what one yard in Florence can differ from the 29502 normal, and zone vs. frost date explains why Zone 8b and Florence's frost date answer different questions.