Dutch Elm Disease in Illinois: Still a Threat to Our Urban Forest
In the early 20th century, American elm (Ulmus americana) was the dominant street tree across much of the Midwest, admired for its graceful form and hardiness. When Dutch elm disease (DED) arrived, it decimated entire neighborhoods. Though the most severe outbreaks occurred mid-century, and are no longer making headlines, DED is still active today and […]
Tip of the Week – When is Root Pruning Necessary?
Root pruning is when the root system of a tree is neatly severed from the tree. Ordinarily, it is the outer portions of the root system that are pruned. This may be necessary in several situations. For example, during a construction project root pruning prior to any excavation, will protect the root systems of a […]