Strolling through certain neighborhoods or rural landscapes, you might encounter an unusual sight: trees with their lower trunks painted in white. At first glance, it might seem like an artistic ...

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 ...

Many crape myrtle trees across the D.C. region are infested by a bug called bark scale, which leaves behind a black fungal infection. A cure is elusive.

White spots on your crepe myrtle tree may just look like light mold or lichen, but it may be a sign of a bigger issue that sinister and damaging.

Using all of this small-scale tree data, the scientists used estimates of global tree surface area to come up with an approximate range for total bark-based methane uptake.

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows.

Most trees can be easily identified by inspecting their leaves, seed pods, flowers, bark, or shape.

WASHINGTON — Crape Myrtle trees are found all over the DMV. They boast beautiful blooms and are a staple of many landscapes. But little white critters, called bark scale, are threatening the ...

Neither did I forget their lovely aesthetic in daytime: how silver birch seems permanently wrapped in Ice Age moonlight, the way that a wet winter oak on the horizon is ink-stained or the ornateness ...

An organic mulch consists of material that was once living: tree bark, wood chips, pine straw, moss, leaves, grass clippings, sawdust, paper, compost or even manure.