Greenwood, SC 29647 Frost Dates
Frost dates for Greenwood, SC, ZIP 29647
Around 03/26 is the usual last spring frost, about 210 days away. The first fall frost typically arrives around 11/12, about 233 frost-free days later.
The USDA Plant Hardiness Zone Map puts Greenwood in Zone 8a (10 to 15°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 8a around Greenwood 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.
Why 03/26 isn't a guarantee
03/26 is the middle of 30 years of NOAA records, not a promise. Plant by 03/03 and you're betting against frost in roughly 9 years out of 10. 04/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Greenwood compares
Greenwood's growing season runs about 233 days, ranking 9,860 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 284 of 519.
Learn more
zone vs. frost date explains why Zone 8a and Greenwood's frost date answer different questions, and the frost range explains how to read the range around Greenwood's dates instead of trusting one.