Green Tree, PA 15278 Frost Dates
When can you plant in Green Tree, PA?
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/28, about 193 frost-free days later.
Green Tree sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 9 weeks of growing season left in Green Tree before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
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
Green Tree's growing season runs about 193 days, ranking 19,876 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 459 of 2,088.
Learn more
zone vs. frost date covers why Zone 7a and Green Tree's frost date answer different questions. the frost range covers how to read the range around Green Tree's dates instead of trusting one.