Green Tree, PA 15279 Frost Dates
Green Tree, PA: when does the frost end?
The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/28, roughly 193 days after the last spring frost.
Zone 7a (0 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 Green Tree, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Green Tree's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Green Tree's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Green Tree against the rest of the dataset
At roughly 193 frost-free days, Green Tree places 19,877 of 40,283 ZIP codes in this dataset. Within PA, it ranks 460 of 2,088.
Learn more
Before leaning on 15279's figures: zone vs. frost date explains why Zone 7a and Green Tree's frost date answer different questions, while the frost range explains how to read the range around Green Tree's dates instead of trusting one.