disease of ornamental plum
our ornamental plum has leaves that are turning orange for past two years and the others are stunted. Some of the branches are bare. Is this Cedar Apple rust?
Wright County Minnesota
Plums don’t get cedar apple rust. They do get a couple of diseases that turn their leaves red. Is the color on your plum a orange-red? A photo would help. Maybe you can match the symptoms to one of the diseases described in the link. https://www.gardeningknowhow.com/edible/fruits/plum/leaves-turning-red-on-plum-tree.htm