
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….

Phytophthora Root Rot
Phytophthora Root Rot is an extremely damaging and widespread fungus-like organism that will rot away your trees/shrubs root system and eventually kill your tree if left untreated. In the worst cases, when left untreated trees can become structurally unsafe and uproot or snap possibly causing property damage and injury. On older plants may show symptoms for a season or more before death; however, younger plants can die within two weeks of showing symptoms. Susceptible Species:…

3 Ways The Recent Rain Hurt Your Tree
Wondering If Your Tree Was Hurt By The Recent Rain? Chances Are It Was. Rain, rain, go away! Usually a children’s song, it has also been a plea from many DC Metro Area residents this May. With it raining 17 days in the first 3 weeks of May, we were all ready for the sun to come out and for the rain to stop interfering with our days. But what you might not have thought…

Prune Now: Or Watch Your Elm Tree Die!
As the weather in our Nation’s capital is growing colder the opportunity to prune Elm trees is fast approaching. Unlike other species of trees that can be pruned year round the Elm tree typically needs to be pruned during the coldest parts of winter to protect the tree from the deadly Dutch Elm disease*. By pruning during the coldest parts of the season you provide your Elm tree with all the benefits of pruning without…

Powdery Mildew On Dogwoods And Crape Mrytles
If you have Lilacs, Peonies, Dogwoods, or Crape Myrtles you may have noticed an unsightly white substance building up on the leaves of your trees and shrubs in the next couple of weeks. The culprit? A fungus called Powdery Mildew which partially starves the tree and stresses it making the tree susceptible to diseases and insect infestations. Powdery mildew increases around this time of year when we experience long bouts of high humidity. Tree Susceptible To Powdery…