It should be mentioned that Double KnockOut roses are later versions of Radler’s originals and, as their name implies, they have a double layer of petals. And Sunny Knockout, by the way, is ...

The Knock Out rose has become amazingly popular over the past 10 years. This rose has single-handedly changed the market for roses since its introduction, and it has ushered in ...

Q: My 'Double Knock Out' roses grow about 4 to 4-1/2 feet, taller than I want. Is there a shorter variety? Can I cut them back again now? — L.L. Houston A: Tags say it grows 3 to 4 feet, but ...

In June of 1988 he crossed two promising parents and came up with Knock Out, a magenta blooming shrub that finally made it to market four years ago and has since turned the rose world upside down.

The Knock Out rose is a shrub with a moderate growth rate that grows up to 6 feet tall and can spread 4 feet wide. Plant in early spring when there is no chance of frost, the plant is still ...

The Knockout rose was first introduced in 2000 and acclaimed a “breakthrough shrub rose” by the All-American Rose Selections because of its exceptional disease resistance and hardiness.

Tough 'Knock Out' roses. By Calvin R. Finch / Special to the Express-News May 6, 2011. ... In addition to the showy red single-petal version, there is a pink single and a red double-bloom selection.

Its appealing characteristics are well documented — excellent disease resistance, frequent reblooming, showy clusters of single cherry-red flowers (there are also pink and double Knock Out ...

Roses, long a gardener's favorite and our country's National Flower, still suffer from the reputation of being hard to grow. In reality, many modern roses like 'Knock Out' are robust, long-lived ...

The Knockout rose, or Rosa ‘RADrazz,’ which is pictured above, was created by rose breeder William Radler. “February is short and very sweet.”- Charmaine J. Forde ...

SHREVEPORT, La. - Both Knockout and Drift roses have become favorites in both residential and commercials landscapes due to their low maintenance and impressive blooming cycles.

The most popular rose in America, known as KnockOut, was created by William Radler in his basement, just outside Milwaukee. For 15 years, Radler labored alone, patiently nurturing thousands of ...