Trimming Knockout Roses

I have red knockout bushes. Two are about 3 1/2 feet. I would like to have them spread out more. If I trim them back a foot, will they spread? I also have two others that are not spreading which start out yellow then turn white. How do I take care of these two?

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1 Comment To "Trimming Knockout Roses"

#1 Comment By roseman On 03/11/2014 @ 11:56 pm

Pruning back your knockout rosebushes will usually stimulate more growth, just doing a 6 to 8 inch pruning back should be sufficient to achieve this stimulation. Yellow blooming roses usually do have a problem with turning white fairly quickly. There are a few that hold a nice yellow color but most of those are more of a deep golden or redish yellow. So that much is pretty common. Here are some articles on Knockout rosebushes that you may find interesting:

https://www.gardeningknowhow.com/ornamental/flowers/knockout-roses/prune-knockout-roses.htm ^[1]

https://www.gardeningknowhow.com/ornamental/flowers/knockout-roses/care-knockout-roses.htm ^[2]

https://www.gardeningknowhow.com/ornamental/flowers/roses/self-cleaning-roses.htm ^[3]

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URLs in this post:

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

[2] https://www.gardeningknowhow.com/ornamental/flowers/knockout-roses/care-knockout-roses.htm: https://www.gardeningknowhow.com/ornamental/flowers/knockout-roses/care-knockout-roses.htm

[3] https://www.gardeningknowhow.com/ornamental/flowers/roses/self-cleaning-roses.htm: https://www.gardeningknowhow.com/ornamental/flowers/roses/self-cleaning-roses.htm

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