Spotty leaves, cracked trunks, mushroom invasions ... Two certified arborists explain how to best take care of your trees.

If you take a close look at some of the more established trees in your landscape, you may notice something you cannot seem to describe – it may look to you like a kind of fungus on your tree trunk. Is ...

The state will hire a contractor to remove seven trees in a Glenville development in an attempt to wipe out an infestation of oak wilt, an invasive fungus that only recently appeared in New York.

Kansas City is used to rainy spring days, but with so much rain in the forecast, you may have noticed something strange popping up on some of your trees. It’s an orange or red, alien-looking form, ...

Dutch elm disease is caused by a fungus and is highly lethal to elm trees. It can be spread through root grafts, elm bark ...

Islanders are being urged to take precautions to prevent the spread of a tree fungus that has now been detected in three areas of P.E.I. Butternut canker is a fast-spreading disease that attacks ...

A naturally occurring fungus might help curb the spread of an invasive tree species that is threatening forests in most of the United States, according to researchers. Researchers tested the fungus -- ...