FrostDateCheck

Windsor, SC 29856 Frost Dates

Frost dates for Windsor, SC, ZIP 29856

Zone 8b

The last spring frost here typically falls around 03/19, about 203 days from today. The first fall frost typically arrives around 11/14, about 241 frost-free days later.

The USDA Plant Hardiness Zone Map puts Windsor 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 Windsor 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.

The actual range around Windsor's last frost

03/19 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Windsor compares

Windsor's growing season runs about 241 days, ranking 8,651 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 189 of 519.

Learn more

the frost range explains how to read the range around Windsor's dates instead of trusting one, and local microclimates explains what one yard in Windsor can differ from the 29856 normal.