Large infestations of the destructive bark beetle have become more frequent — and there's really no way to save trees once a large outbreak occurs. Diana Six, a professor at the University of Montana, ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

When fall’s cold nights kill the flowers and cause so many of our trees and shrubs to drop their leaves, the bareness shines our focus on what’s left – for one thing, tree trunks. Trunks and their ...

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. Young trees sometimes have smooth bark that's unbroken by ridges.

So often we choose a tree because of its flowers, leaves, fall color or its fruit. Often, we forget about the bark. However, on many trees, the bark is the most interesting part of the tree. This can ...

Why do trees have bark? Julien, age 6, Melbourne. This is a great question, Julien. We are so familiar with bark on trees, that most of us just take it for granted. But bark is one of the most complex ...

If asked to describe what tree bark looks like, most people probably would say something like: “It’s rough and brown and covers the trunk of a tree.” That is a good description of many trees, but not ...