

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


An Emerald Ash Borer Experiment at CVS Park.
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...


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


Emerald Ash Borer Update June 15, 2015
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,...


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


The Cuddy Park Environmental Restoration Project
An exciting opportunity presented itself to me through my membership on the Lower Frederick Township park board. In 2011 the board had...


Scarlet oak sawfly
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...


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


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


Ash tree leaves dropping
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...