Powdery Mildew – White Powder On Your Leaves?
It’s that time of year again! Powdery Mildew is starting to cover leaves and spread throughout landscapes. Powdery Mildew is the name used to describe a group of fungal diseases caused by fungi in the order Erysiphales. Characterized by patches of white to grayish, talcum-powder-like growth, Powdery Mildew is usually easy to spot. And although Powdery Mildew won’t typically kill a tree by itself, it is an eyesore and can lead to health problems down…
Boxwood Blight: Are Your Boxwoods In Danger?
If you’re noticing spots or overall decline of your boxwoods this season, it may be Boxwood Blight. Boxwood Blight, Calonectria pseudonaviculata, is a fungal disease that has defoliated Boxwoods throughout Europe since the 1990s. It was first found in the United States in October 2011. Up until 2018 infections were scattered; however, the rainy 2018 season greatly increased the spread of the disease. It has now become more noticeable in Maryland, Virginia, and DC landscapes….
Horse Chestnut Leaf Blotch – Guignardia Blotch
Horse Chestnut Leaf Blotch, also referred to as Guignardia Leaf Blotch, is a common fungal disease throughout the DC Metro Area. While non-native, the Horse chestnut is widely planted in urban and suburban landscapes. Like most fungal diseases, these pathogens thrive in wet conditions. The rainy year we have been having will most likely lead to not only more horse chestnut leaf blotch infections but also more severe infections. Susceptible Trees: Like the name implies…
Shot Hole Fungus On Cherry Laurels
Shot hole fungus, also known as shot hole disease, is a serious fungal disease that creates distinct BB-sized holes in leaves. With the rainy, warm weather we’ve been having this season Shot Hole Fungus is running rampant. Our Arborists report seeing Shot Hole Fungus on lots of Cherry Laurels in this area. Without treatment, this fungus will re-infect your shrubs year after year, not only ruining its aesthetic appeal but also weakening the shrubs health….
Mushrooms Growing Around Trees: Identification & Treatment
In the past week or so we’ve noticed lots of mushrooms growing around trees and in homeowners’ yards. This increase in mushrooms can be blamed on the rainy past few weeks. When you have mushrooms growing in your yard or at the base of your tree it can be worrisome. Mushrooms can be a sign of root rot, heart rot, and overall decay. When these conditions are left untreated it can cause your tree to…