Average Height: The black walnut tree is considered a large tree, often 20-75 feet in height.
Average Width: Can be as wide as it is tall
Leaf Description: Black walnut tree leaves are pinnately compound with 15-23 leaflets, totaling 12-24 inches long. Each leaflet is irregularly serrated and fuzzy on the upper surface when newly formed, eventually turning dark lustrous green.
Bark Description: Black walnut tree bark is dark brown to grayish black and deeply furrowed, forming a diamond shaped pattern.
Twig Description: Twigs are stout and gray, they can be fuzzy. When cut open the middle (the pith) is chambered.
Aphids are one of the most common insects found on trees and shrubs. There are more than 400 species of aphids that feed on numerous hosts, creating sticky honeydew that can coat any surface underneath the tree or plant that is infested. More…
Lecanium scale represents a group of common soft scales that infest a wide range of tree species. They attach themselves to the leaves and twigs of trees and shrubs and feed on the plant nutrients. More…