Walhalla, SC 29664 Frost Dates
29664, near Walhalla, SC: the frost window
Typically, the last spring freeze lands around 04/09, roughly 224 days out. Fall's first freeze usually shows up around 10/29, roughly 205 days after the last spring frost.
Walhalla sits in USDA Zone 8a (10 to 15°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.
Stretching the season past the first frost
Walhalla's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Walhalla's last frost
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Walhalla against the rest of the dataset
Walhalla's growing season runs about 205 days, ranking 16,281 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 492 of 519.
Learn more
Two guides worth reading on 29664: the frost range, on how to read the range around Walhalla's dates instead of trusting one, and local microclimates, on what one yard in Walhalla can differ from the 29664 normal.