Rose Bush Leaves

My Rose bush leaves have white spots on them with holes in the leaves. What is causing this, and how can it be fixed?

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1 Comment To "Rose Bush Leaves"

#1 Comment By Nikki On 06/04/2011 @ 11:00 am

The white spots could be powdery mildew, unless the white spots also have the holes in them. Then it is likely an insect problem or perhaps even a caterpillar problem. For powdery mildew, check out this article: https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm ^[1] .

Also, there is a great site to check out of finding out what insect or caterpillar might be making those holes in the leaves here: http://www.sactorose.org/rosebug/ ^[2]

To control the insect or caterpillar problems, a product called Sevin or one by Safer, called BioNeem is good.

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URLs in this post:

[1] https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm: https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm

[2] http://www.sactorose.org/rosebug/: http://www.sactorose.org/rosebug/

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