Question: I've got 5 hackberry tries in my yard and they are all heavily infested with woolly aphids! I wouldn't usually mind, but the aphids are now all over my newly planted native plants. I've read ...

As a tree guy, I pay attention to moths. Believe it or not, the larval stage of a lot of moths are very damaging to plants, including trees. You know how, in places with piney woods, such as East ...

One of the most widely distributed trees in the eastern part of the country is the hackberry tree (Celtis occidentals). In Frederick County, you are most likely to find a hackberry growing in a wide ...

Hackberry emperor butterflies take flight at the entrance to the Roth Trailhead at the University of Kansas Field Station. A crowd slowed traffic one recent morning on a road north of Lawrence, but it ...

Answer: Your tree has galls. Hackberries are great native trees that are tolerant of many temperature, soil condition and moisture extremes. They have a few problems that are mostly cosmetic. The gall ...

The trees in Fort Worth survived a hot and dry summer, but are now under attack from creepy crawlies. It was a long blistering summer for the trees. The last times Fort Worth saw heat this intense was ...

Question: The leaves on my hackberry tree have bumps. What can I do about this problem? Answer: Your tree has galls. Hackberries are great native trees that are tolerant of many temperature, soil ...

A student plopped a leaf on my desk, pointed to several green lumps on its underside, and asked, “What are those green growths?” It was a stump-the-professor moment, and in this case, I was indeed ...