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.
Download our spring checklist to prepare your trees and landscape for a healthy growing season.
The asian ambrosia beetle can cause dieback of small branches or entire plants such as cherry, crapemyrtle, Drake elm, golden raintree, pecan, peach, mangnolia and shumard oak.
Ash leaf rust can be a significant problem in the Mid-Atlantic area and along the New England coast. Leaves, petioles and green twigs become infected during May and June.
We've discovered a new way to detect EAB during the first year (a year earlier than previously).
Apple scab is a disease of apple and crabapple trees.
They’re called plant lice for a reason. Although aphids are fragile insects, they are not harmless, and can damage your trees and landscape plants. Follow our advice to help your most valuable natural assets survive the summer months.
Davey expert Jim Zwack discusses the emerald ash borer, from identification to flexible treatment options that are now available and may protect your ash trees.
Anthracnose is a leaf disease of shade trees, specifically ash, maple, oak and sycamore.