Taking Care of Your Knock Out Roses

By Diane Coleman, NRS Consulting Rosarian

What are Knock Out© Roses?

Arrangement of Knock Out Roses
Knock Out© Rose is a shrub rose bred by American rose grower, William Radler in 1989, and introduced into the United States by Star Roses and Plants in 2000. It was named an All-America Rose Selections winner in 2000 and was one of the bestselling roses of the year. The rose was found to be extremely disease-resistant, drought-tolerant and ever-blooming. The ideal rose for both new and seasoned gardeners.

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Suggested Pruning Techniques for Old Garden Roses

The techniques suggested below are simply guidelines which can be followed. Many varieties. of roses respond differently to various methods and if a particular variety is not producing the desired effect, try another technique. Just remember:

    1. Severe early spring pruning on one-time bloomers will sacrifice bloom.
    2. Sometimes a hard cut-back will tend to restore a weak bush.
    3. A bush well “shaped up” every year will be more satisfactory than a bush allowed to go rampant for several years, then cut back.

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June Rose Growing Notes

by Marty Reich, Master Rosarian, Editor of the Rose Leaf

Louis Philip, one of the OGRs planted in the Adelicia Acklen Rose Garden at Belmont University, Photo by Pam Graves Brown
By now you have done spring feeding and have enjoyed the first bloom cycle. Be sure to dead-head everything, meaning to cut off the spent blooms, to make the bushes look better and to encourage them to re-bloom. You should go down to a strong part of the cane where there are 5 leaflets from an outward facing node and cut 1/4″ above it. Sometimes a node has a dark spot on it signaling that new growth will not come from there so you may need to go up or down to avoid it.
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