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Q.Our Knockout Roses Are Out Of Control. Large At The Base Almost Like Regular Old Rose Bushes.

Zone Wetumpka, AL 36093 | jgorman4763 added on September 15, 2022 | Answered

How far can I cut them back without damaging or killing the whole bush?

A.Answers to this queston: Add Answer
BushDoctor
Certified GKH Gardening Expert
Answered on September 16, 2022

This will be in Spring, and you can cut the plant back by about 1/3. Whether this be across the top, or just removing 1/3 of the plant's branches. Here is an article for more information:

https://www.gardeningknowhow.com/ornamental/flowers/knockout-roses/prune-knockout-roses.htm

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