The Knock Out rose is likely the most planted rose in southeast Louisiana landscapes. Since its introduction in 2000, the Knock Out rose has ushered in a whole new way to look at roses and use them in ...
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Is It Too Late to Cut Back Knockout Roses? What to Know Before Risking Next Year’s Blooms
Prune Knockout roses heavily in late winter or early spring as new growth begins. Lightly deadhead and shape in late summer, stopping two months before frost. For annual pruning, cut back one-third of ...
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