A swarm of destructive wasp-like insects is spreading fast, and it could mean bad news for pine trees, holiday traditions, and your backyard.

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has ...

The tree, which is over 4,800 years old, is found in a grove of other trees, but its exact location is kept a secret.

Pine sawflies are invasive bugs that resemble wasps and are taking over pine trees in Washington's Pierce County.

Trees favored by dwarf mistletoe (Arceuthobium sp.) are conifers, mainly black spruce and lodgepole pine. Dwarf mistletoe infests significant stands of black spruce in the northern U.S. and ...

In Texas, tree species affected by mistletoe can include oak, sugarberry, elm, several species of pine in West Texas and more. It’s unlikely that mistletoe kills trees directly, but tree branches may ...

Christmas tree season is here, which means many families have been selecting the perfect pine or spruce for their home this holiday season. Several tree farm owners shared their stories.

Mistletoe rarely infest Bradford flowering pear, Chinese pistache, crape myrtle, ginkgo, liquid amber, sycamore, true cedars or redwood. Susceptible tree varieties include alder, Modesto ash, and ...

Miniature fir trees, Christmas ferns, Christmas cacti and poinsettias in decorative pots make great tabletop or mantel adornments. Fresh mistletoe can be hung on doorways and in every room.

Mistletoe Meadows. 583 Burnt Hill Rd., Lauren Springs NC 28644; Fraser fire, white pine, blue spruce, ... Fraser fir and white pine trees, wreaths, roping, and live spruce for repotting; ...