Florence, SC 29501 Frost Dates
Florence, SC: when does the frost end?
Around 03/19 is the usual last spring frost, about 203 days away. Fall's first freeze usually shows up around 11/13, roughly 241 days after the last spring frost.
Florence 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.
Stretching the season past the first frost
With roughly 11 weeks until Florence's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Florence's last frost
03/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/05 and only about 1 year in 10 sees frost after that.
Florence against the rest of the dataset
At roughly 241 frost-free days, Florence places 8,509 of 40,283 ZIP codes in this dataset. Within SC, it ranks 165 of 519.
Learn more
Before leaning on 29501's figures: zone vs. frost date explains why Zone 8b and Florence's frost date answer different questions, while the frost range explains how to read the range around Florence's dates instead of trusting one.