Q&A - What is this black stuff on my holly leaves?
Question:
What is this black stuff on my holly leaves? There are also some large white bugs on them.
Answer:
The black stuff on the leaves is sooty mold. That is growing on the honeydew secreted by the cottony camellia scale. The scale is living and feeding on the holly plant. The scale is an insect that can be controlled with horticultural oils.
Related Resources:
Cottony Camellia Scale - Shrubs
Scale insects on ornamental plants
Holly Diseases & Insect Pests
What is this black stuff on my holly leaves? There are also some large white bugs on them.
Answer:
The black stuff on the leaves is sooty mold. That is growing on the honeydew secreted by the cottony camellia scale. The scale is living and feeding on the holly plant. The scale is an insect that can be controlled with horticultural oils.
Related Resources:
Cottony Camellia Scale - Shrubs
Scale insects on ornamental plants
Holly Diseases & Insect Pests