Knockout Rose Bushes

Knock Out Roses

Anonymous added on May 21, 2014 | Answered

I have 12 knock out rose bushes. This morning I saw that the older ones (4 months) have a lot of yellow leaves through the middle of the bush. I don't know why or how to treat this problem. Would appreciate an answer.

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Certified GKH Gardening Expert
Answered on May 21, 2014

Here is a link to an article I wrote on this subject, please give it a read:

Here is another article for you as well:

Please let us know if you have any questions.

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Knockout Rose Bushes
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