Q: I have a Desert Museum palo verde that was damaged during a windstorm. One of the branches blew off and damaged the trunk. It is an eyesore. Should I replace it? A: I would let the tree heal on its ...

The Michigan Department of Natural Resources is urging people to pause any pruning of oak trees to help stop the spread of a deadly tree disease. The risk of oak wilt, an invasive fungal disease that ...

Question: We have a large 60+ foot mulberry tree in our backyard that is located by our pond. This is the first year I have seen these dark streaks on the bark of the tree. Should I have concerns?

Trees are one of the longest lived and largest organisms on earth. Trees use energy so efficiently that very little waste occurs. Wood is stored energy in the form of cellulose. New living wood is ...

During the period between April 15 and July 15, beetles actively carry spores of fungus from tree to tree, meaning oak trees are at high risk for infection with oak wilt. Oak trees with wounds in ...

IF YOU are a regular reader, you will know of my weird fascination with traditional horticultural practices that endure for decades despite being resoundingly debunked by science. In this article, ...