Japanese maple trees are known for their stunning red foliage, but the leaves can turn green and fall off if they aren't ...

Anthracnose is a common spring disease on maple trees. Several different fungi can cause the symptoms we describe as anthracnose.

Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know ...

Although trees drop leaves for other reasons, defoliation caused by the maple petiole borer is distinctive.

Maple, Sycamore, yellow poplar, and sweetgum trees are known for their lobed leaves, which turn bright colors in fall. Here's how to tell them apart.

Q. My maple tree has black spots on the leaves that just appeared recently. Should I be concerned about this? What should I do?

The spiky, iconic Canadian maple leaf. A large, lush Florida palm leaf. Thin aspen leaves rustling in the crisp Colorado air. You can probably recall many different leaf shapes from many different ...

As popular as these trees are, people become alarmed about this time of year when the leaves on some of these maple trees have large black spots that look like they’ve been splattered with tar.

Find out about common North American trees with pinnate leaves. Learn how to identify hickory, ash, walnut, black locust, and pecan using this guide.

Garden: Why No Mow May is a no-go Seed set differs by species Exactly when in spring maple leaves fully expand and cover the brown color of the seeds attached to the tree depends on the maple species.

Deaven Maull, Lead Environmental Educator at Robinson Nature Center, shows participants five types of maple tree leaves during the Magic Maple program at Robinson Nature Center.