I have a “Unique” rhododendrons. It was planted about 6 years ago and is...
I have a “Unique” rhododendrons. It was planted about 6 years ago and is doing very well, except it has never bloomed? It’s planted under a large dogwood and always shaded. Lack of sunlight?
Washington County Oregon rhododendrons
Oregon State University Extension has two one-page guides for explaining how to evaluate and care for your rhody. They list options for curing the nutrient deficiency and for routine care. You can view them at these links: Pay particular attention to the actual location which benefits from sun/shade siting.
http://extension.oregonstate.edu/gardening/node/775 and http://extension.oregonstate.edu/gardening/rhododendrons-and-azaleas-need-strong-acidic-soil