Roses go through two years of testing by the American Society of Roses. Knock Outs tested so well that they thought they were flawed.

The Knockout family of roses has become very ... added Bradley. But the design of a rose garden is limited only by your imagination, he said, as any design that fits the landscape will work.

Drift roses, also known as groundcover roses, remain small and spread out, making them perfect for filling space in a garden. Knockout roses, on the other hand, can grow quite large if left unpruned.

Knock Out Roses have a well-deserved reputation for being trouble-free, easy to grow and resistant to the usual troublesome rose diseases and problems that rose-lovers have dealt with for centuries.

Q: Can I get a cutting from a Knock Out rose to grow ... I've fallen in love with roses and want to start planting them but how do I design or decide where to put them?-- Nadara Wade, email ...

Within a few years, there were basically two categories of roses in garden centers: Knock Out and Other. Since then, Knock Out’s breeder, William Radler, of Wisconsin, has gone on to breed a ...

A killer disease has set its sights on America's most beloved landscape shrub, the rose. Even the seemingly invincible Knock Out roses ... with their local garden centers as to the cause, Barnes ...

The rose is 'Knock Out,' one of the modern tough roses. It grows to about 6 feet tall and will bloom seven to nine months in a typical year if it receives a deep watering every two weeks in the ...

Sunny Knock Out fill the air with a wonderful, citrus rose fragrance, so should be planted in a spot where the aroma can be enjoyed. This shrub makes a nice addition to the sunny garden border ...

The tour of Will Radler’s rose garden will be put on by the Greenfield Beautification Committee. Radler, who developed the Knock Out family of roses, has a two-acre extensively landscaped ...