Ninety Six, SC 29666 Frost Dates
Ninety Six, SC: when does the frost end?
Around 04/01 is the usual last spring frost, about 216 days away. Fall's first freeze usually shows up around 11/04, roughly 217 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ninety Six in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 10 weeks until Ninety Six's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Ninety Six against the rest of the dataset
Ninety Six's growing season runs about 217 days, ranking 13,519 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 450 of 519.
Learn more
Before leaning on 29666's figures: local microclimates explains what one yard in Ninety Six can differ from the 29666 normal, while zone vs. frost date explains why Zone 8a and Ninety Six's frost date answer different questions.