Rose Bushes - Knowledgebase Question

Villas, Ne
Question by mariejames1
April 19, 2010
Why are the leaves on my rose bush getting blackish color spots on them and then turning yellow and dying off?


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Answer from NGA
April 19, 2010

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You've describe the symptoms of black spot, a fungal disease, which is quite common on roses. Fungicides will help control it, but you'll need to practice good garden sanitation (prune and remove the most obviously infected canes), and try to keep water off the leaves. Fungicides need to be applied every 7-14 days during the growing season. Some choices include Funginex, Daconil, Captan, Bravo, or the neem oil based Rose Defense. You'll find others in the garden section of your local Home Depot. I'm afraid black spot is just one of the challenges you'll face when growing roses, but the reward is worth the effort. I don't think there's anything quite as lovely as a garden filled with roses! Best wishes with your roses.

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