Olar, SC 29843 Frost Dates
Frost dates for Olar, SC, ZIP 29843
The last spring frost here typically falls around 03/20, about 204 days from today. The first fall frost typically arrives around 11/13, about 238 frost-free days later.
The USDA Plant Hardiness Zone Map puts Olar in Zone 8b (15 to 20°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 8b around Olar 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.
How much risk comes with planting early here
03/20 is the middle of 30 years of NOAA records, not a promise. Plant by 02/27 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Olar compares
About 238 days separate Olar's last and first frost, putting it 9,045 of 40,283 ZIP codes nationally. Within SC, it ranks 238 of 519.
Learn more
zone vs. frost date explains why Zone 8b and Olar's frost date answer different questions, and the frost range explains how to read the range around Olar's dates instead of trusting one.