I've been told that the diseases that affect Arbutus, Salal, Dogwood and some other shrubs are the same as or closely related to Sudden Oak disease. Is there any truth in this? And are these fungal or bacterial diseases? Louis.
Gaultheria shallon is listed as a regulated host: http://www.inspection.gc.ca/english/plaveg/protect/dir/sodspe.shtml