Lancaster, SC 29721 Frost Dates
When can you plant in Lancaster, SC?
Typically, the last spring freeze lands around 03/27, roughly 211 days out. The first fall frost typically arrives around 11/05, about 225 frost-free days later.
Zone 8a (10 to 15°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 Lancaster, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Lancaster before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/27 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lancaster compares
At roughly 225 frost-free days, Lancaster places 11,392 of 40,283 ZIP codes in this dataset. Within SC, it ranks 375 of 519.
Learn more
local microclimates covers what one yard in Lancaster can differ from the 29721 normal. zone vs. frost date covers why Zone 8a and Lancaster's frost date answer different questions.