May is a great time to start thinking about disease and pest control. Roses are subject to certain insect and disease problems. There is rust, downy mildew, black spot, and powdery mildew. A good product to use is a copper base fungicide. You also need to be protected from aphids, rose saw flies, and Japanese beetles. For pest control only, Captain Jack’s dead bug juice is a great preventative. It also will not harm beneficial insects. A very good product for …
