The Q&A Archives: Gray-Black "stuff" on the Leaves

Question: of my Lantanna. The bush is growing but has this

Answer: You weren't very descriptive of the gray black stuff so I don't know if your lantana has insects, a disease, sunscald or winter damage. The best approach is to prune off the affected leaves and stems. This should remove the problem and pruning will encourage healthy new growth. Best wishes with your garden!

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