Camellia with black leaves
My Camellia is about 14 yrs. old. I have recently discovered that the leaves are coated with a black dull coating. Any suggestions on removal? The buds are just forming.
Certified GKH Gardening Expert
This is sooty mold. It is a byproduct of a pest infestation, likely aphids or scale. This article will help you with getting rid of it:
Neem oil can also be effective. It will take care of both the pests responsible as well as the fungus. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm