If fall color is one of your criteria for choosing a tree to plant, you may want to consider looking beyond the ubiquitous "October...

Warren wanted to show me the results of a recent treatment his company had given to a tree, so he pulled the truck over at the Village...

For the past two weeks my woods have been aglow with the bright white flowers of the blackhaw viburnum. (Viburnum prunifolium) blackhaw...

RIGHT NOW is the time of year that emerald ash borer (EAB) adults are active. Here are some photos I took last Wednesday in Willow Grove,...

Lots of local news coverage on the impending invasion of the emerald ash borer has many owners of ash trees alert for any unusual...

An exciting opportunity presented itself to me through my membership on the Lower Frederick Township park board. In 2011 the board had...

These pin oaks are shedding leaves, and large parts of some of them have leaves that look white from the ground. The culprit is scarlet...

This weeping willow in Harleysville has adult imported willow leaf beetles feeding on its leaves. They won’t cause much damage. But the...

The way this client found me is a little bit strange. He found my website by googling “bacterial leaf scorch” (I have articles posted...

Most of the ash trees in our area have been losing leaves in the past few days because the rainy weather is ideal for the ash anthracnose...