How do I prune a knock out rose?
Prune your knock out rose in the early spring when you start to see new shoots growing from the canes. Determining how far back to prune the bush depends on how high you want your knockout rose to finish the season. Your rose bush will usually triple in size during the growing season. For example: if you want your rose bush to be 3 feet high at the end of the season, cut it back to about 1 foot high in the spring.http://www.danvillegardens.com/
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