Q: I have a decorative tree called a sand cherry. I just noticed it has many places on the branches with raised black, deformed lumps. It is on almost every branch. Some of the branches are dead. This ...

Black knot, a fungal disease, is affecting cherry and plum trees in the Greater Columbus area, likely due to recent wet weather. The disease causes hard, black knots on branches, disrupting growth and ...

There’s no way a tree trunk tied into a perfect knot could possibly be real, right? Yet if you were to step close to this one and run your hand along its bark, you’d be hard-pressed to discover any ...

Our false spring weather got many of us out of the house and walking around our yards and neighborhoods. The trees are leafless, allowing us a better view of their branches and stems. You may have ...

Q: I noticed this odd growth on my apple tree. I don’t think it’s causing damage because the canopy looks normal, but I think it’s becoming more extensive so I’m concerned. A: This funky growth is not ...