Question: How can I identify the source of disease/infestation in a shrub without having to hire someone? I can provide photos.
Answer: You can take samples of the plant to your local Cooperative Extension office or Master Gardener Plant Clinic, or even to a well-staffed nursery. Helpful folks there can identify the problem and suggest controls.
Q&A Library Searching Tips
When singular and plural spellings differ, as in peony and peonies, try both.