Roses
Q.

Please, What CAUSES Powdered Rose Mildew?

Zone California | ralphclog added on January 11, 2012 | Answered

What causes powdery mildew on roses? I was told it was due to over watering. Thank you.
Angie

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on January 12, 2012

It's caused by a fungus, which can be brought about by overly wet conditions. This article should be of some help to you: https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm

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ralphclog
Answered on January 13, 2012

thank you!
Angie

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