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.
Whiteflies are tiny insects; their wings and bodies are covered in white wax.
Your trees need fresh air and water, just like you, but soil compaction can make these difficult to attain. So take a few corrective measures and your trees will thank you. Of course, your local Davey arborist is here to help.
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.
The bronze birch beetle is a destructive beetle larva that feeds on birch trees wakened from drought, poor growing conditions or other insect infestation.
The black vine weevil frequently injures and defoliates taxus, Japanese holly, rhodedendron, azalea and euonymus plants.
The black turpentine beetle is on of five common species of pine bark beetles in the US. It causes considerable damage to stressed pines throughout its range which spreads from coastal New Hampshire to Florida and as far as eastern Texas.
Trees provide a wealth of benefits: They improve the air you breathe, cut your energy bills with their shade, provide homes for wildlife, and add beauty and value to your house.
Bagworms are serious pests of shrubs and woody ornamentals. Since their spindle-shaped, protective bags are made of silk, debris and portions of foliage, they're camouflaged and often unnoticed until serious plant damage has occurred.