Green Tree, PA 15290 Frost Dates
Frost dates for Green Tree, PA, ZIP 15290
The last spring frost here typically falls around 04/18, about 233 days from today. The first fall frost typically arrives around 10/28, about 193 frost-free days later.
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.
What to do before the first frost
Zone 7a around Green Tree has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Green Tree's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Green Tree compares
About 193 days separate Green Tree's last and first frost, putting it 19,882 of 40,283 ZIP codes nationally. Within PA, it ranks 465 of 2,088.
Learn more
local microclimates explains what one yard in Green Tree can differ from the 15290 normal, and zone vs. frost date explains why Zone 7a and Green Tree's frost date answer different questions.