To insure continuous flowering, feed your roses with a fertilizer blended especially for Knockout roses after each bloom cycle (ie. 3% N, 4% P and 3% K with 9% Ca, 0.5% Mg and 1% S).

Knockout roses have stunning flower power and are one of the hottest plants to be marketed in years. It is an awesome landscape shrub rose with either single or double blossoms exhibiting disease ...

Knockout roses are a natural selection for novice rose gardeners and experts alike. For more information, call weekdays at 815-986-4337.

The Knock Out rose is so popular, the society's 20,000-plus members gave it the 2004 Members' Choice Award, said Carol Spiers, a spokesperson for the American Rose Society.

KNOCKOUT -- Knockout roses produce nonstop clusters of huge flowers and are popular and easy to grow in the landscape. (Photo by MSU Extension Service/Gary Bachman) There is a dizzying array of tea ...

Since then, Knock Out’s breeder, William Radler, of Wisconsin, has gone on to breed a small empire of Knock Out colors and other hardy roses. Others have bred competitors such as Home Run.

Knockout roses have stunning flower power and are one of the highest demand plants to be marketed in years. It is an awesome landscape shrub rose with either single or double blossoms exhibiting ...

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.

Plant of the Month‘Knockout’ Rose or Rosa x ‘Knockout’The ‘Knockout’ rose, which won the All American Rose Society award in 2000, offers great promise for South Florida gardeners as a ...