If you have a majestic and stately oak tree (Quercus spp.) growing in your yard, you'll know that the leaves will naturally change color in the fall before they drop off your deciduous tree. This ...

Use leaves, bark, and habitat to identify the black oak tree. Learn about this tree's identifying characteristics, where to find it, and more.

A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.

Coast live oak leaves with brown, scorched margins due to feeding on the leaf underside by the two-horned oak gall wasp. (Photo by Jack Kelly Clark) These wasps are native to California, and form ...

Willow oak (Quercus phellos) is a deciduous, common oak tree.A member of the red oak family, this tree has a dense, usually rounded crown and simple, linear leaves.