Spartanburg, SC 29376 Frost Dates
Frost dates for Spartanburg, SC, ZIP 29376
The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/07, about 224 frost-free days later.
The USDA Plant Hardiness Zone Map puts Spartanburg 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 Spartanburg has about 10 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 03/28 isn't a guarantee
03/28 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. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Spartanburg compares
About 224 days separate Spartanburg's last and first frost, putting it 11,742 of 40,283 ZIP codes nationally. Within SC, it ranks 392 of 519.
Learn more
zone vs. frost date explains why Zone 8a and Spartanburg's frost date answer different questions, and the frost range explains how to read the range around Spartanburg's dates instead of trusting one.