|I put 30 knockout roses in my beds last spring. I need info on when and how to prune the plants. They have flourished and have been constant bloomers since planting.
|Answer from NGA
October 29, 2009
|I'm glad your Knockout roses are thriving! You can prune them in December if you want to do some major cutting back. Otherwise, you can simply prune them lightly throughout the growing season to help keep them compact and still blooming well. Enjoy your beautiful plants!
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