
Bagworms – A Major Pest for Evergreens
Our Arborists have noticed an increase in the population of Bagworms in the DC Metro area this year. If your evergreens have been looking sick recently Bagworms may be the issue. Bagworms, found throughout the Eastern United States, are a major pest for evergreens. These caterpillars are known for the cone-shaped bag they create around themselves, hence their name. Bagworms damage trees by feeding on their foliage. Most trees will see partial defoliation; however, some…

5 Diseases That Attack After Big Rainstorms
With the recent rainy and hot weather, certain tree diseases are gearing up to attack our landscape. In particular, fungal diseases thrive on our current rainy and warm conditions. When fungal spores are activated and come in contact with a susceptible host they begin to grow, enter, and feed on the tree or shrub causing major issues. Below are the 5 fungal diseases you need to watch out for after rainy periods. Phytophthora Root Rot…

5 Defoliating Insects to Look Out For This Summer
Defoliating Insects Defoliating insects cause damage to trees and shrubs by eating their leaves or needles. By doing this, you remove the tree’s ability to use photosynthesis in order to produce the next year’s growth. This damage also increases the tree/shrubs susceptibility to be attacked by other insects and diseases. It’s important to keep any eye out for defoliating insects this summer. Knowing the early signs and getting immediate treatment can stop them in their…

Is Your Tree On Fire? – Bacterial Leaf Scorch Video
Bacterial Leaf Scorch is a systemic disease caused by bacteria, which invades the water and nutrient conducting tissues. Commonly Infected Species Include: Oaks, Sycamores, Elms, Maples, Mulberries, and Sweet Gum. When infected with Bacterial Leaf Scorch Leaves develop normally early in the season and symptom expression begins in June and July. Necrosis begins along the leaf margin and spreads toward the veins in an irregular pattern. Green tissue is separated from dead tissue by a yellow or reddish brown…

Dogwood Anthracnose: Dogwoods Aren’t In The Clear Yet!
Dogwood Anthracnose is a very common and visually unappealing disease to which the Cornus florida is extremely susceptible. Cornus florida, commonly known as the flowering Dogwood, is very common in our area and is even Virginia’s state tree. Now days, we utilize Dogwoods for their aesthetic appeal; however, during the American Civil War they were best known for their bark which was used to make tea to treat pain and fevers. Dogwoods were also used extensively in traditional…