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.
There are many species of lace bugs, some infecting deciduous plants while others infect evergreens.
The eastern tent caterpillar is a pest native to the United States, favoring wild cherry, apple and crabapple trees. The pest is a most serious threat when attacking black cherry trees.
The larvae and adults of the elm leaf beetle can completely defoliate elms when populations are large.
This species is an armored scale with a hard, waxy covering. It damages hemlock needles by inserting needle-like mouth parts into leaf tissue and removing cell fluid.
Are you worried the emerald ash borer is destroying your trees? Read more about the emerald ash borer and what solutions are available to combat this nasty beetle in our "Emerald Ash Borer Resource Center"!
A swift decline in tree health, as exhibited by crown dieback, leaf discoloration and leaf drop might indicate the presence of the eucalyptus longhorn borer.
In this episode of Talking Trees, Davey Expert and ISA Certified Arborist Jim Houston discusses Diplodia Tip Blight and ways to prevent damage to your pine trees.
The cherry bark tortrix is an introduced insect species from Eurasia affecting plants such as apple, crabapple, hawthornm mountain ash, and pear trees.
Crabgrass is one of the most hated weeds in home lawns because it’s the most dominant.