Dear Dr. Dirt: In the fencerow behind our house, there are some hackberry trees. Some of the leaves have developed marble-size balls. I am familiar with the nipple galls on hackberry leaves, but the ...

Q: I have a hackberry tree that has started to grow in the middle of a rose bush. The ground is dry, hard caliche. For the past three years, we have suffered through a drought. I appreciate any tree ...

This article is one in a series of Nature Notes columns on Frederick County’s trees. Discover Frederick’s diverse array of trees on a self-guided walking tour. To see all of the trees, it should take ...