Spartansburg, PA 16434 Frost Dates
16434, near Spartansburg, PA: the frost window
Around 05/22 is the usual last spring frost, about 267 days away. Fall's first freeze usually shows up around 09/30, roughly 131 days after the last spring frost.
Spartansburg sits in USDA Zone 6a (-10 to -5°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
Spartansburg's growing season runs out in roughly 5 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 Spartansburg's last frost
05/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/05 and only about 1 year in 10 sees frost after that.
Spartansburg against the rest of the dataset
At roughly 131 frost-free days, Spartansburg places 38,338 of 40,283 ZIP codes in this dataset. Within PA, it ranks 2,086 of 2,088.
Learn more
Two guides worth reading on 16434: local microclimates, on what one yard in Spartansburg can differ from the 16434 normal, and zone vs. frost date, on why Zone 6a and Spartansburg's frost date answer different questions.