Mulch volcanoes come from people making a well-intentioned yet destructive mistake in tree care. When mulch is piled high ...

The emerald ash borer is deadly to ash trees—and aggravating for homeowners. Here's how to know if your tree has emerald ash ...

Most fruit trees require full sun, which means at least 6 to 8 hours of direct sunlight every day to fruit, but they'll fruit ...

Squirrels, insects and lightning strikes may be the reason for dead tree branches.

In between beach days and backyard barbecues, the end of summer is a good time to examine your trees for signs of hazardous invasive insects. The USDA has named August as Tree Check Month to encourage ...

Sick or damaged trees can be a safety issue Each year, thousands of trees in the U.S. are damaged by storms, wind, lightning and ice, causing millions of dollars in property damage.

Bark often contains chemicals that deter at least some insects and vertebrates from chewing into the tree and is sometimes active in repairing wound damage.

A new study from Stockholm University reveals that spruce bark beetles, already infamous for killing millions of trees in ...

A local city is warning people of box tree moths and caterpillars that have impacted many landscapes this summer.

Bad news about trees during all this rain: Trees are more likely to be damaged by flooding during the growing season than during the dormant season, according to University of Minnesota.

The fire started burning on August 16 and only affected a single tree—the historic Doerner Fir in southern Oregon.

Government scientists are using drones and sniffer dogs to fight back against an eight-toothed Christmas-tree eating beetle.