Black Spot Disease - Knowledgebase Question

Middleburg, Fl
Question by minnie_mouse9
June 11, 2009
I have used what Home Depot suggested and it is still not working on the Black Spot Disease. Is there anything else I can try. I love working with my plants and don't want to lose them now!!


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Answer from NGA
June 11, 2009

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Black spot is really difficult to control and some roses are more susceptible than others so you may have a real battle on your hands. The product I use is called Rose Defense and it controls both powdery mildew and black spot on my roses. Give it a try. You may have better results if you first prune off as much of the diseased plant material as possible (within reason!) and then spray. The new growth will be protected as it sprouts and grows. Be sure to apply according to label directions.

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