Roses
Q.

Rose bush

Wyndian added on May 24, 2015 | Answered

Can you tell me why my rose bush looks like this? I have about 5 stems that are doing this.

A.
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roseman
Answered on May 26, 2015

Hello again. I sent a copy of your photo to a University Professor friend of mine too. He confirmed that this is classic herbicide damage and he stated specifically Round Up or one that contains the same herbicide ingredient. It is suggested that the canes with the growth be pruned out. Then apply a good organic rose food and water well. There may be more that come forth with this abnormal growth too, prune them out as well.

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roseman
Answered on May 25, 2015

It looks like your rosebush may have the dreaded Rose Rosette Disease or RRD,some call the disease witches broom. However, if someone has been spraying any herbicides near the roses, the herbicide drift can cause this strange appearance to the foliage as well. Give the article at this link a read on this subject also: https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-rosette-disease.htm

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