|Properly Pruned Knockout Rose|
To grow healthy, vigorous and free blooming Knockout roses, cut them back to a low framework of 5 to 7 stems about 12" to 18” from ground level each year in late winter.
Find out which shrubs you should prune now and which you should wait to prune, read the whole article on the Pender Extension website: http://pender.ces.ncsu.edu/index.php?page=news&ci=LAWN+171
Learn more about pruning from these great online resources:
Pruning Ornamental Trees and Shrubs --- a great 12 page guide from Purdue Extension: http://www.hort.purdue.edu/ext/HO-4.pdf
Pruning Ornamental Shrubs -- another great guide, this one from Missouri Extension: http://extension.missouri.edu/p/g6870
Pruning Landscape Trees and Shrubs --- more pruning how to information! From Florida Extension: http://edis.ifas.ufl.edu/mg087
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