Powdery Mildew On Roses

Powdery Mildew On Rose Leaves

Powdery Mildew On Rose Leaves

Powdery Mildew On Rose Leaves

Question: Do these rose leaves appear to have powderly mildew, if so how to cure?

See attached photos of leaves from rose bush and help me determine what is causing this.

We have 5 rose bushes all in one bed and this is the only one affected.

What is the cause and how do we treat it?
Thank you!

Yes, it's a classic case if powdery mildew on roses, a rose fungus disease.

The new growth gets affected first.

Some rose varieties are more susceptible to rose fungus diseases, such as powdery mildew.

There are many roses that are very disease resistant. Which is why your other roses don't have it.

Here is my page about rose diseases with detailed information how to treat powdery mildew, among other diseases.

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