black eyed susan - Knowledgebase Question

Avatar for KTB
Question by KTB
June 22, 2009
the leaves on our black eyed susan get covered with a black fungus every year. it seems to inhibit there growth. any suggestions?

Answer from NGA
June 22, 2009
The plant may be suffering from a bacterial leaf spot. I would treat the plant with a product called Hi-Yield Copper Fungicide/Bactericide according to label instructions for flowering plants. The product also has activity against fungi if it happens to be a fungal leaf spot. Good luck with your plants!

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