A certified arborist says Philomath's first Heritage Tree shows signs of Dutch elm disease and will be tested to determine its fate.

Sap is the 'blood' of a tree, helping to move nutrients from the roots to the limbs. Some sap is not unusual, but excessive amounts may mean trouble. Learn what it means when you notice a lot of sap, ...

Colorado has some of the best places in the nation for fall foliage, but leaves have already fallen and left bare branches in ...

There are plenty of tricks to keeping trees healthy, especially thin-barked trees like Amur cherries, mountain ash, young ...

This pest delivers a venomous bite that causes burning sensations. It may be hiding in shade trees in your yard before ...

According to Marco, trees also play a vital part in a home's value. When a property appraisal is done, the number of trees is ...