FrostDateCheck

Pennsboro, WV 26415 Frost Dates

26415, near Pennsboro, WV: the frost window

Zone 6b

Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/17, roughly 173 days after the last spring frost.

Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Pennsboro, not a forecast for this year.

Stretching the season past the first frost

Pennsboro's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.

Pennsboro against the rest of the dataset

At roughly 173 frost-free days, Pennsboro places 27,991 of 40,283 ZIP codes in this dataset. Within WV, it ranks 643 of 885.

Learn more

Two guides worth reading on 26415: the frost range, on how to read the range around Pennsboro's dates instead of trusting one, and local microclimates, on what one yard in Pennsboro can differ from the 26415 normal.