If you notice discolored, misshapen, or wilting leaves or textured, elongated wounds on the bark, your tree could be in ...

Tree bark is involved with water storage and with mechanical support of the tree. Coastal redwood trees commonly have extremely thick (as much as two feet or more) outer bark around the base of ...

Water mostly enters a tree through the roots by osmosis and any dissolved mineral nutrients will travel with it upward through the inner bark's xylem (using capillary action) and into the leaves.

Storms, pests, diseases, and overcrowding can all signal it's time to cut down a tree. Look for these signs and more to know ...

A: In areas where sunlight exposure is intense, trees can be subject to southwest injury. This will show up on the south- or ...