In Fielding Questions, Don Kinzler also answers reader questions about protecting dogwood shrubs and why carrots become ...

Q: I have a beautiful 10-foot-tall oak that has provided privacy with its wonderfully dense light green foliage. I enclosed a picture of a rapidly expanding bark rot-looking area that seems to be ...

This maple is live and healthy despite a huge cavity in its trunk. This tree is structurally compromised but does not pose a risk because it will do no damage when it fails. Surrounding trees in the ...

Only a very small percentage of a dormant mature tree is biologically living. The rest of the tree is composed of non-living, structural wood cells. This means that very little of a tree's woody ...

Builders of treehouses will know that one major consideration during construction is how to support the structure without harming the tree. There are specially developed fasteners and bolts for the ...