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Q.our gardenia bush has black film on leaves, what could this be

Zone south east | lorriem added on March 13, 2012 | Answered

Our gardenia has black film on leaves. What could this be?

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Certified GKH Gardening Expert
Answered on March 14, 2012

It sounds like you have sooty mold. It is normally a sign of a pest infestations. I recommend treating the mold and pests with neem oil. Here is some information that can help you:

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