One of the most dangerous pests of trees is humans, especially humans with equipment. Lawn mowers and weed trimmers can cause injuries that create a hazard when an injury leads to tree disease or ...

Orange cankers and cracked bark on chestnut trees may signal a destructive fungal disease that spreads more easily than many ...

Piling mulch too high, a practice known as "volcano mulching," is extremely harmful to trees and shrubs. Excessive mulch can lead to root dehydration, bark damage, and can eventually kill a tree. When ...

Q: I just noticed this bark damage in my otherwise healthy looking mature live oak. It seems like it happened almost overnight. I have woodpeckers and squirrels, but I have not seen much activity ...

Bark beetles are dark flying insects about the size of a grain of rice that leave tiny holes in the bark and branches of trees. Their very small grubs feed voraciously on the inner bark of trees that ...