Black eyed Susan - Knowledgebase Question

Avatar for ferrarar
Question by ferrarar
June 14, 2005
Planted 3 mature size plants last year; flowered well. Came up well at first this year; during the last week or so, many of the leaves have browned and dried. There seems to be some newer growth aside from the browned leaves.

Answer from NGA
June 14, 2005
Based on your description I am not certain what is happening to your Rudbeckia. Browning and drying can be signs of several different problems. It might be a disease such as a fungal or bacterial infection, it could indicate overfertilizing has caused root damage, it could be a sign of over or underwatering, or it could even be a sign that they are rootbound or possibly a sign of accidental herbicide damage. This type of symptom is difficult to diagnose long distance so I would suggest you work with your local county extension and/or professional nursery staff to try to diagnose it and then based on that, decide how to proceed. I'm sorry you are having trouble with them.

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