If you live in the southern parts of the country, you might have long admired the majestic hackberry tree (Celtis occidentalis ... with a slender tip. The bark of the sugarberry is also less ...

In fall or winter, homeowners often discover young trees whose thin bark has been damaged by deer rub. Some trees may have patches where bark hangs in shreds, exposing the underlying wood ...

The main symptom is clusters of twigs scattered throughout the tree crown. Prune out the clusters of twigs when practical. It is most common on Celtis occidentalis. Powdery mildew may coat the ...

The classic and trusted book “Fifty Common Trees ... Celtis occidentalis. This species is easily identified by its single-tooth margined leaves, which are lopsided with one side slightly higher than ...

The most common North American tree is considered to be the red alder. It has oval-shaped leaves and reddish-brown bark. It can grow as tall as 100 feet and is found mainly in the western U.S. and ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Dear Grant, William and Kate, When I was little, I liked to climb trees. I loved to grip the bark as I got higher and higher. Now I mostly hug trees – but I still love the way bark feels under ...

My neighbor says I may be damaging my trees. Doesn’t the bark protect the tree? A single trimming with a line trimmer will do little damage, but repeated trimming can eventually cut completely ...