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 ...

The arboreal fungus appears on the branches of trees in the genus Prunus. In Minnesota, that means cherry and plum trees.

If you have cherry or plum trees, now's a good time to check for a disease called black knot fungus. The fungus can go unnoticed with summer foliage but is apparent when trees are winter-bare. Also ...

Plum leaf curl is a malady indicated by tightly curled and deformed leaves which are usually near the ends of new plum shoots in the spring. Unlike leaf curl in peaches and nectarines, which is caused ...

Question: Please help! I just noticed that my wild plum tree in my backyard has some sort of fungus growing on it. Is there anything I can do, or is it diseased beyond repair? It was healthy this ...

Q. Last year, my plum tree didn’t have any fruit at all. This spring, it has so many plums that I’m afraid the branches may break! Why? This phenomenon is called “alternate year bearing” and is very ...