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Spring Pruning Is Better Than Fall Cutting for Mature Knock Out Roses in Cold Climates

If roses struggled this year, wait until spring to prune. Long canes buffer winter dieback. Spring: prune to 18 inches, remove thin canes, cut thick canes to 18 inches.

Roses: Should You Cut Back Knock Out Roses in Fall in Michigan?; Knockout Rose Decline After Carbaryl Damage: Soil Contamination Concerns; Three Double Knockouts Not Blooming While Others Thrive; Troubleshooting Uneven Knock Out Rose Performance: Systemic Spray Sensitivity and Soil Factors; Pruning an Overgrown 25-Year-Old Climbing Rose in the UK; Knock Out Roses Bloomed Once Then Stopped—Normal Cycle; Pruning Roses in Phoenix: November Timing for Desert Climates; Pruning Knock Out Roses and Loropetalum in Virginia Beach: Spring Hard Prune; Cutting Tea Roses: Debunking the 5-Leaf Rule, Proper Harvest Timing; Dividing Peonies and Bleeding Hearts, Trimming Yarrow

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