Knock Out (RADrazz) blooms every 5-6 weeks, from spring to frost, creating a stunning show of beautiful flowers! They can fit into any landscape in most climates. Plant them individually as a focal point, among other shrubs, or in large groups to create a colorful hedge. The Knock Out® roses are the most disease resistant roses on the market making them easy to grow. All of the Knock Out® Roses are self-cleaning so there is no need to deadhead.
Knock Out was hybridized by William Radler of the USA and introduced in 2000.
The parentage of Knock Out is RAD85-139.1 × RAD84-196.8.