TREE CARE TIPS

Pests & Diseases

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.

A vibrant apple tree laden with ripe, unblemished fruit under a clear blue sky, showcasing healthy leaves and branches.

Feb 21 2024

Pests & Diseases

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.
Section of eastern hemlock tree branch with its needles covered with the adelgid’s woolly secretion.

Aug 16 2023

Pests & Diseases

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.
A large caterpillar tent is spiraled around conifer branches against a deep blue sky.

Jul 19 2023

Pests & Diseases

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 (Xylella fastidiosa) on pin oak leaves. Image courtesy of Penn State Department of Plant Pathology & Environmental Microbiology Archives , Penn State University, Bugwood.org

May 18 2023

Pests & Diseases

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.
An adult spotted lanternfly with wings spread out rests on a tree in Pennsylvania.

Apr 27 2023

Pests & Diseases

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.

Dec 18 2022

Pests & Diseases

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").

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