Ligustrum – Spots on leaves (Cercospora)

Q: I planted these three rhododendrons (I thought) a year ago. Now this brown fungus is all over them.

A: I believe these are ligustrum, not rhododendron.

They have a common disease: Cercospora leaf spot.

The good news is that you can bring it under control without a lot of work.

This Clemson factsheet gives details.

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