As winter descends upon the picturesque landscapes of Pennsylvania, one annual vexation troubles arborists and homeowners alike — deer that damage trees. Yes, those seemingly placid, doe-eyed creatures that add…
Everyone loves the vibrant palette of autumn. This time of year isn’t just a feast for the eyes, though — it’s also a prime moment for adding new trees to…
If you have hemlock trees on your property, you probably have heard about hemlock wooly adelgid. First discovered in Pennsylvania in 1967, these tiny sap-sucking insects have infected, weakened, and…
Mother Nature treats us to a unique spectacle of leaves changing color every fall. But what triggers the fall leaf color change from a biological point of view? Varying theories…
Girdling roots circle or partially circle a tree’s base or just below the soil surface. Why do roots girdle? How does it affect the tree? Is there a remedy for girdling…
How does beech leaf disease spread? This notorious ailment in trees was first discovered in the United States in 2012 and has wreaked havoc in forests across North America. It…