Cedar-apple rust is one of several plant diseases that are all caused by different species of a fungus called gymnosporangium. All of these diseases are referred to as gymnosporangium rust diseases.

Have you noticed the orange globs on some of the Eastern red cedar trees in the Skiatook area? It’s caused by a fungus known as cedar-apple rust, also called juniper-apple rust, since red cedars are ...

Q: My eastern red cedar has a type of pod growing on several of the stems. This growth occurs in much smaller numbers on some of the other trees. This particular tree appears to be stressed with green ...