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flaurabunda

Talk to me about mildew, please

flaurabunda
11 years ago

You know how you read things here & file them in the back of your mind in the "Does not apply" folder? Well, I did that with powdery mildew. I had never witnessed it, or it was such a minor case that I ignored it and it went away.

Not this year. It's all over the place and I'm not so much concerned about what to do about it, but I'm wanting to re-open that file in my brain and stock it with more information.

Questions I have:

What are the conditions that lead to it?

Should I be more worried than I am?

Am I correct in assuming that when the weather takes another turn, as it obviously will, that the problem will end?

The roses look good overall except for the grey fuzziness near the terminal buds. Blooms haven't suffered and each rose's overall health seems unaffected. Location in the yard and type of mulch don't seem to matter. It's happening no matter where they are planted, how closely they are spaced, or what type of mulch they're resting in.

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