In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

Sean O'Brien, from the UNH Cooperative Extension, takes a look at how beech leaf disease spreads and the signs to help you ...

What can you learn from a tree's leaves? Discover how leaf shapes, edges, patterns, and more can help you identify a tree in the forest.

Learn why your fig tree's leaves are turning brown? Discover the common causes and effective solutions to restore your tree's health and vitality.

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.

Lemon tree leaves curling is a cry for help. Here's how to figure out what your plant needs.

In this edition of ID That Tree, Purdue Extension forester Lenny Farlee goes over leaf characteristics to look for when attempting to identify broadleaved deciduous trees in Indiana. He shares the ...

Pennsylvania naturalists are keeping an eye on a disease that has been killing beech trees in the eastern U.S. for more than a decade, but has begun spreading more rapidly in the past three years ...

Q: I have a fruitless olive tree that is steadily losing its leaves. It’s been slowly happening since last year, but most noticeably with the higher temps we’ve been experiencing lately. Some ...

These trees go bare because in winter’s harshness, leaves can’t store enough energy to make up for the water a tree loses through them. And by letting go of their foliage on their own schedule ...

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