Troutville, PA 15848 Frost Dates
15848, near Troutville, PA: the frost window
The last spring frost here typically falls around 05/06, about 251 days from today. Fall's first freeze usually shows up around 10/14, roughly 160 days after the last spring frost.
Zone 6a (-10 to -5°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 Troutville, not a forecast for this year.
Stretching the season past the first frost
Troutville'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.
Why 05/06 isn't a guarantee
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/23 and only about 1 year in 10 sees frost after that.
Troutville against the rest of the dataset
At roughly 160 frost-free days, Troutville places 32,521 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,726 of 2,088.
Learn more
Two guides worth reading on 15848: local microclimates, on what one yard in Troutville can differ from the 15848 normal, and zone vs. frost date, on why Zone 6a and Troutville's frost date answer different questions.