Our arborist advice section is the most extensive expert collection of tree, lawn and landscape care tips and educational resources that you will find anywhere.
Follow our winter checklist to keep your trees and landscape healthy by identifying potential issues.
These insects bore into tree bark and cause ugly scars. Brown frass around bark cracks or wounds may indicate an infestation.
The dogwood has been considered a treasure in the landscape for years. A destructive disease known as anthracnose can tarnish its image. Keep your dogwoods healthy with these tips.
The cottony maple scale is a large, flat, brown scale insect found on the twigs and branches of various trees. A favored host is silver maple, but it will also attack other species of maple.
Crabgrass is one of the most hated weeds in home lawns because it’s the most dominant.
The cherry bark tortrix is an introduced insect species from Eurasia affecting plants such as apple, crabapple, hawthornm mountain ash, and pear trees.
The California oakworm is one species of caterpillar that feeds on oak trees.
Whiteflies are tiny insects; their wings and bodies are covered in white wax.
Strange, irregularly shaped brown splotches clearly don’t belong on shiny, green tree leaves. Anthracnose is a disease that commonly causes these unsightly spots. Prevent and correct the problem with some tree TLC.
Apple scab is a disease of apple and crabapple trees.