While a late-season drought led to some trees turning brown, an area forester says there is still time for some fall colors.

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, ...

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

There are plenty of tricks to keeping trees healthy, especially thin-barked trees like Amur cherries, mountain ash, young apples, basswood and linden trees, which grow well in Alberta but can fall ...

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

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

Elm trees used to line the campus green. Now, it’s filled with lush trees of various species taken care of by OU’s grounds ...

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 ...

When temperatures turn to freezing from late October to early December, the wingless female climbs the nearest tree and mates with the male.