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.
Most Ips beetle problems occur on newly transplanted pines or plants under stress. Prolonged drought can increase Ips beetle infestations.
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"!
Reducing the tick population on the property surrounding your home is your best defense against tick-borne illnesses for you, your family and your pets.
Reports of the incidence and severity of maple decline have increased markedly in recent years...
There are many species of lace bugs, some infecting deciduous plants while others infect evergreens.
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.
Spotted lanternflies are sap sucking insects that prefer the Tree of Heaven. Help control the spread.
Borer larvae feed underneath the bark, creating multiple tunnels that cut through the water-transporting layers of wood, interfering with the water supply to branches and needles.
The hemlock woolly adelgid is a serious pest of Canadian hemlock in the eastern United States and of western hemlock used as an ornamental in the Pacific Northwest.