Perennial Black Eyed Susans

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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1 Comment To "Perennial Black Eyed Susans"

#1 Comment By Nikki On 09/11/2011 @ 10:39 am

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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