Liberty, SC 29657 Frost Dates
Frost dates for Liberty, SC, ZIP 29657
Around 04/05 is the usual last spring frost, about 220 days away. The first fall frost typically arrives around 10/30, about 207 frost-free days later.
Liberty sits in USDA Zone 8a (10 to 15°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
Zone 8a around Liberty has about 9 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
04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Liberty compares
Liberty's growing season runs about 207 days, ranking 15,827 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 481 of 519.
Learn more
local microclimates explains what one yard in Liberty can differ from the 29657 normal, and zone vs. frost date explains why Zone 8a and Liberty's frost date answer different questions.