In Fielding Questions, readers also asked about the danger of rabbits eating sod and how to prevent onions from rotting.

Then there is the fungus, Beauveria bassiana. This fungus is neither the tree’s nor the beetle’s friend; as a pathogenic ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

Q. I recently noticed an odd raised ridge of corky looking growth on the branches of a five-year-old sweetgum tree in my landscape. Does my tree have a problem? A. The growth on the limbs is nothing ...

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 ...

Gregory Moore does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Q: My 20-something-old redbud tree has developed lichens on the trunk, which is a first. Do I have a problem and is there anything I should do? I have another one in the yard which doesn’t have this ...

Q: I recently purchased a home with several mature navel orange trees. One of the trees has about half the bark missing from the trunk and sort of circular looking lesions that ooze sap in the area ...