Pruning stimulates new growth and leaves the plant vulnerable to frost damage.
To prune Double Knock Out, arm yourself with gloves and long sleeves.
Jul 21, Prune Knock Out Roses in late February, recommends the University of Georgia Cooperative Extension Service. The last hard frost typically has occurred by this time, making pruning safe, according to the rose's developer, The Conard-Pyle Company. The Atlanta Botanical Garden usually schedules a rose pruning day in early March.
Plan to attend this if you need advice from expert rosarians.
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Prune bush roses in February by removing weak canes, leaving four to six main canes. Each of these main canes should have.