Q: We have a sycamore tree that is having a problem leafing out this spring. What can we do to help keep it healthy? A: ...

that live on the edges of pin oak leaves. From late July to early fall, these mites drop from the tree after completing their development, landing on animals and humans and biting them.

that forms galls on the edges of pin oak leaves, according to the University of Maryland Extension. Once their development is complete, they drop from the tree, and can land on (and bite ...

In the fall, leaves change from medium green to a red to reddish brown color. One key characteristic of pin oak are the branches, which angle downward especially on the lower part of the tree. The pin ...

I knew that northern pin oaks hold their brown leaves ... avoid being heard by potential predators. A shingle oak tree holds on to all its leaves in Feb. in Lake County. (Photo by Sheryl DeVore ...

Red oaks are most susceptible. Red oaks have leaves with pointed tips and include black oak, northern red oak, and northern pin oak. Trees in the white oak group have rounded leaf edges and ...

These trees have leaves with pointed tips and include black oak, northern red oak and pin oak. Trees in the white oak group have rounded leaf edges and are less susceptible. Affected trees will ...