Destructive and invasive insects, fungal and bacterial diseases, and other pests harm and kill trees throughout Montgomery and Bucks Counties. Learn how to identify, prevent, and control these problems.
Fire Blight in Eastern Pennsylvania: Causes, Prevention, and Treatment
Fire blight is a lethal disease that commonly infects apple and pear trees in eastern PA. Discover the best ways to prevent its spread and treat infected trees.
Powdery Mildew on Trees and Shrubs in Eastern PA: Causes, Prevention, and Treatment
Powdery mildew is a common fungal disease that disfigures, weakens, and even kills trees and shrubs in eastern PA. Discover how to identify, prevent, and treat this destructive disease.
Apple Scab Prevention for Backyard Trees
This guide will walk you through how to spot the signs of apple scab, understand what causes it, and most importantly, how to stop it before it starts. With a focus on the right care at the right time, especially in the spring, we'll show you how to keep your apple trees healthy and productive.
Pennsylvania Hemlocks: Battle Against Hemlock Woolly Adelgid
The hemlock woolly adelgid is an insect pest killing up to 80% of hemlock trees in some areas. Learn what Pennsylvania is doing to stop the attack.
5 Leaf-Eating Insects and the Damage They Cause in PA
Pennsylvania is under attack by a host of leaf-eating insect pests that can hurt your trees. Fighting them starts with identification.
Bacterial Leaf Scorch
Bacterial leaf scorch is a common and fatal tree disease in eastern Pennsylvania, but it doesn’t have to mean the end for your tree. With the right treatment and preventive actions, you can reduce the spread of BLS and keep your trees healthy.
Spotted Lanternfly – Pest Profile & FAQs
The spotted lanternfly is an invasive pest causing damage to trees and landscapes across Pennsylvania. Learn how to identify its many stages and limit the harm it does on your property.
Emerald Ash Borer – Get Your Trees Protected
This invasive pest, first discovered in Bucks and Montgomery Counties in 2012, kills ash trees within 1 to 2 years of infestation. Without protective treatments, ash trees will die (it's not "if" but "when").
