Roses dying before they bloom - Knowledgebase Question

Los Angeles, Ca
Question by nancy7923
August 12, 2010
I have six rose bushes. You can see the buds as if they will bloom in a few days. The problem is that they don't, they get brown stains on them, and wither. What can I do?


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Answer from NGA
August 12, 2010

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Botrytis Blight is caused by the fungus Botrytis cinerea. The disease causes flower buds to droop and remain closed. Buds turn brown and decay. Sometimes partially opened buds are attacked, and an entire flower may be covered by gray fungus. The best control is a fungicide application. Funginex is one product registered for use on roses but you'll find many more at your local garden center. Be sure to apply according to label directions. Repeat sprays may be necessary. Good luck with your roses!

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