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 ...

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 ...

It can be unnerving to find that the leaves of an oak or hackberry tree are as bumpy as a rock-covered seashore in late summer. Other trees’ leaves may break out in acne-like red spots or sport ...