How To Prune A Knock Out Rose

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This article will teach you how to prune a Knock Out Rose.
by Gary Mueller · Zone 5A · -20° to -15° F to Zone 9B · 25° to 30° F · Pruning · 0 Comments · August 29, 2010 · 21,212 views

Pruning Knock Out Roses

Pruning Knock Out Roses is easy. Not only are they the most disease-free roses in the world they are easy to care for in every other way.

When And How To Prune Knock Out Roses

Winter / Late Spring Pruning

Knock Out Roses should be pruned heavily in early spring, just before or after new red foliage begins to emerge. At this time, cut the shrub back to about 12-18" above the ground. This ensures that the plant will have a good habit and healthy blooms throughout the season. When pruning, make your cut just above an outward-facing leaf bud. The leaf bud is not the thorn but a small protrusion from which will grow a new leaf or branch. I've found that pruning just above an outward-facing bud will promote a wider, bushier rose bush, rather than a taller, leggier plant when cuts are made above an inward facing bud.

Summer Pruning

You can prune Knock Out Roses lightly throughout the active growth season, between flushes of buds and blooms, to encourage heavier repeat blooming.

When NOT to Prune a Knock Out Rose

Cease pruning about 2 months before typical first frost date in your area.

Gary Mueller

Meet The Author

Gary Mueller - Gary Mueller is an award-winning grower of hybrid tea and other roses.

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Knock Out Rose, Rose, Pruning, Prune, How To

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