Do Knock Out Roses Have Thorns?

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Roses range greatly in size and appearance depending on the type. They offer an appealing form and a pleasing fragrance but often have high maintenance requirements, insect and disease susceptibility and thorns. Knock Out roses, a trademarked variety, offer improved characteristics in some of these areas.

Knockout Rose

  • The Knock Out rose is a type of modern shrub rose. It reaches a height of three feet and develops pinkish-red blooms. It is not one of the thornless roses.

Benefits

  • Gardeners appreciate the Knock Out rose for its disease resistance and drought tolerance. It also has lower maintenance requirements than many other roses; it does not need to be deadheaded throughout the growing season.

Thornless Roses

  • Although the Knock Out rose is not a thornless rose, other thornless shrub roses do exist. These include the "Excellence von Schubert," a heat-tolerant rose with an excellent fragrance. The "Cardinal de Richelieu" grows four feet tall, with blooms that last longer than most other roses. The "J.P. Connell" shrub rose is a yellow thornless cultivar that is winter hardy.

References

  • Photo Credit Martin Ruegner/Photodisc/Getty Images
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