Rose bush with brown spots on petals

naturaljoJune 17, 2008

I have a few rose bushes. They are all blooming and growing wonderfully. My only concern is one white rose bush that has brown spots on the edges of the petals. Can anyone tell me what the likely cause of this is?

Too much shade? Too much water? or something else?

Thanks for any suggestions!

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hoovb zone 9 sunset 23

Botrytis, perhaps?

Here is a link that might be useful: botrytis pictures at sactorose.org

    Bookmark   June 17, 2008 at 2:10PM
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artemis_mo(z5b MO)

Probably thrips. Once the weather heats up a bit more, they will probably subside. If you use the "search" function and enter "thrips" you will find many threads that may be helpful.

    Bookmark   June 17, 2008 at 2:11PM
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artemis_mo(z5b MO)

Here's a link with a picture of a thrips damaged white rose. Familiar?

Here is a link that might be useful: Thrips

    Bookmark   June 17, 2008 at 2:15PM
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york_rose

Can you post a picture of the problem flowers? Without that it's difficult to say for sure what your problem is (although thrips is a common problem).

    Bookmark   June 18, 2008 at 3:35AM
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roseman(Z 8A GA)

Sounds like thrips to me.

    Bookmark   June 18, 2008 at 12:53PM
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