What Are Knock Out Roses?

Created by rose breeder William Radler, the award-winning Knock Out Rose is a disease-resistant 3-foot-tall shrub that displays a multitude of 3-inch blossoms continuously during the growing season.

Keywords: knock out rose, disease resistant rose, William Radler

About this Author

In Jacksonville, Fla., Frank Whittemore is a content strategist with over a decade of experience as a hospital corpsman in the U.S. Navy and a licensed paramedic. He has over 15 years experience writing for several Fortune 500 companies. Whittemore writes on topics in medicine, nature, science, technology, the arts, cuisine, travel and sports.