Evergreen trees and plants are those that, in general, keep their green leaves year-round. They eventually do drop their leaves, but it's usually in the spring. Deciduous plants are perennials ...

Galls called “oak apples” may be golf ball-sized found on both leaves and stems, and will be green in spring, and will dry out and turn brown and papery as the wasp larva matures inside.

Black oak leaves are one of the best ways to identify the tree. They are about 3-9 inches long and can vary in shape . What makes them distinct are the lobes on a single leaf, which have sharp ...

He also notes in an article in Bay Nature Magazine, that the urchin gall is most often found on blue oak trees. What you are observing is the tree’s reaction to the wasp laying her eggs on its leaf.

Oak, the genus Quercus, is bumped into, climbed up in, sat under and fed upon by many during fall hunting, hiking, firewood cutting and photographing sessions. Two categories of oak trees provide ...

Purdue Landscape Report: Each spring the PPDL receives several samples of oak trees showing curled, twisted, stunted and/or generally ratty looking leaves.When there are holes in the leaves or leaf ...