Workers are beginning the process of removing the famous Sycamore Gap tree trunk and crown from Hadrian's Wall, which was felled in late September in a shocking act of vandalism in northern England.

Occasionally homeowners will notice small holes in the trunks of landscape trees. This may not mean impending death to the tree, but it’s not good. The presence of holes usually means that an insect ...

Q: My dad helped me plant a couple of young apple trees in my backyard last weekend and so far, so good. After we finished I said the only thing I had left to do was paint the trunks white. He looked ...

A reader asked the following questions about trees. No. 1: When hiking, I often see what appear to be several trees growing from a central trunk. What causes this? No. 2: At a local park an oak tree ...

What shape is a tree? For most people, it’s like a lollipop or a feather duster: a single trunk topped by a green bunch of branches and leaves. “Not all trees are like that,” said Sharon Yiesla, plant ...

When we think of a tree, we usually picture a single big trunk that divides into branches overhead. Yet sometimes trees may sprout small stems sprouting from the base of the trunk, down by the roots.

Q: I recently noticed a black, tar-like patch on my tree trunk, though it’s not tacky like actual tar. Are these insect eggs? Dried sap? Do I try to scrape it off? The tree has lichen but I don’t ...