Facts About Double Knockout Rose Bushes
Gardening beginners and experienced enthusiasts can enjoy fragrant Double Knockout rose bushes, with colorful blooms and very little maintenance. Out of many rose species, Double Knockout rose bushes require little gardener interaction, making them perfect for a variety of landscaping settings. Does this Spark an idea?
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Disease Resistant
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Double Knockout rose bushes are a very disease-resistant subspecies of rose, making them perfect growing subjects for inexperienced gardeners. Some of the common rose diseases are powdery mildew and rust, which do not affect Double Knockout rose bushes. Unlike other rose bushes, Double Knockouts require no spraying for pesticides or insects, as they are insect resistant as well.
No Prunning Required
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Other rose bush species require pruning, and "deadheading," a process that helps to remove old blooms to encourage new blooms to come in. Double Knockout roses are self-cleaning, with blooms falling off on their own.
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Double Knockout Rose Look
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Double Knockout rose bushes offer a fuller bloom than regular Knockout Rose bushes. The blooms are richer in petals but are also larger in size, and come in colors such as pink and red. Double Knockouts have twice as many petals than a traditional Knock Out, with a fuller and richer bloom.
Double Knockout Rose Bush Care
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Double Knockout rose bushes require some trimming, mostly to shape the rose bush to your liking or preferred size. Broken or diseases wood branches should be removed. The rose bush requires full sunlight, and moist soil. Watering is necessary, but over-watered soil is not preferred.
History
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William Radler, a Wisconsin rose breeder, developed first Knockout Rose bushes. In 2000, Radler won the All-American Rose award for his new roses. Sales of Knockout Rose bushes skyrocketed in the first year they were introduced, with more than 250,000 roses sold. In 2005, the Double Knockout rose bush hybrid was introduced by Radler, who holds a degree in landscape architecture and has served as the director of Boerner Botanic Gardens.
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