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 this summer checklist to keep your trees and landscape healthy by identifying potential issues.
Learn from Davey expert Chris Fields-Johnson on what you can do as a homeowner to improve your soil’s health with compost and biochar.
If infestations continue, spruce spider mites may kill tree branches and possibly lead to tree death. Save your trees from these pests with the following tips.
Your tree may look fine on the outside, but it could be dying from the inside. Davey arborist Tim Jackson shares what causes Zombie Trees and the signs to look out for.
White, tan, or rust colored resin flowing on the trunks of austrian, scots and red pines could indicate an infestation of Zimmerman Pine Moth (ZPM) caterpillars.
The southern pine beetle is one of the most destructive insects to pine in the South and Southeast with the ability to rapidly kill large trees.
The tropical sod webworm is an active caterpillar in Southern Florida that feeds on leaf blades in grass.
The Cytospora canker is caused by a fungus that primarily attacks trees that have been weakened by drought, low fertility, mechanical injury, insect feeding or poor soil conditions.
This disease causes holes in the leaves which start as brownish spots them dry and fall out.
Caterpillars feed on the leaves of oak trees and other species. Found on the Pacific coast.