Knock Out roses are resistant to black spot but will occasionally experience infections (they are not immune). The plants are ...

Last year, I noticed the yellowing and spotting of some of the leaves on my Knock Out roses. The same thing is happening this year. Can you diagnose and suggest what to use? For some reason, I thought ...

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 Knockout and ...

Knockout roses should be top of your list if you're looking for low-maintenance, disease-resistant, long-blooming shrubs. These compact, hardy hybrid roses typically reach 3 to 4 feet in height and ...

An expert rosarian offers advice on how to block or minimize powdery mildew, black spot, rust and more in San Diego gardens.

A couple of days before Mother's Day, there was a day to celebrate in the world of horticulture. Friday, May 9, was National Knock Out Rose Day. This is the first year this day has been recognized.