Windsor, SC 29861 Frost Dates
When can you plant in Windsor, SC?
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.
Windsor sits in USDA Zone 8b (15 to 20°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
About 11 weeks of growing season left in Windsor before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
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
At roughly 241 frost-free days, Windsor places 8,652 of 40,283 ZIP codes in this dataset. Within SC, it ranks 190 of 519.
Learn more
local microclimates covers what one yard in Windsor can differ from the 29861 normal. zone vs. frost date covers why Zone 8b and Windsor's frost date answer different questions.