FrostDateCheck

Blacksville, WV 26521 Frost Dates

26521, near Blacksville, WV: the frost window

Zone 6b

Typically, the last spring freeze lands around 05/04, roughly 249 days out. Fall's first freeze usually shows up around 10/12, roughly 158 days after the last spring frost.

Blacksville sits in USDA Zone 6b (-5 to 0°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

Blacksville's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

Why 05/04 isn't a guarantee

05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.

Blacksville against the rest of the dataset

About 158 days separate Blacksville's last and first frost, putting it 33,169 of 40,283 ZIP codes nationally. Within WV, it ranks 806 of 885.

Learn more

Two guides worth reading on 26521: the frost range, on how to read the range around Blacksville's dates instead of trusting one, and local microclimates, on what one yard in Blacksville can differ from the 26521 normal.