Black Eyed Susans

Perennial Black Eyed Susans

Anonymous added on September 10, 2011 | Answered

The leaves on my black eyed Susans had white lumps on them earlier this summer. The leaves have now turned black. What is this? I have never seen it before.

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Certified GKH Gardening Expert
Answered on September 11, 2011

It sounds like your black-eyed Susans have a mildew or fungus. Make sure you clean the bed out thoroughly this fall and dispose of all the material. In the meantime, treat your plants with an all purpose fungicide.

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