Garrett, PA 15542 Frost Dates
15542, near Garrett, PA: the frost window
The last spring frost here typically falls around 04/29, about 244 days from today. Fall's first freeze usually shows up around 10/18, roughly 171 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Garrett in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Garrett'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
04/29 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 05/15 and only about 1 year in 10 sees frost after that.
Garrett against the rest of the dataset
Garrett's growing season runs about 171 days, ranking 28,795 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,447 of 2,088.
Learn more
Two guides worth reading on 15542: local microclimates, on what one yard in Garrett can differ from the 15542 normal, and zone vs. frost date, on why Zone 6a and Garrett's frost date answer different questions.