User:Erica Zhou/sandbox

= Knock Out® Rose = Knock Out® Rose is a species of Rosales that hybrid by crossing two tea rose varieties, Carefree Beauty and Razzle Dazzle roses. The inventor William Radler created Knock Out® Rose in 1999, then patented it in 2000 and won the coveted All-America Rose award in the same year. According to the Conrad-Pyle Company, it has become the most widely sold rose in North America since that time. Not like an ordinary fussy rose, Knock Out® Rose is known by its features of hardy, cold-tolerant, tolerant to powdery mildew, black spot and self-cleaning. So far, there are 10 types of rose be researched including Knock Out® Rose, Double Knock Out®® Rose, Pink Knock Out® Rose, Pink Double Knock Out® Rose, Blushing Knock Out® Rose, Rainbow Knock Out® Rose, Sunny Knock Out® Rose, Coral Knock Out® Rose, Peachy Knock Out® Rose and White Knock Out® Rose. They grow 3 to 5 feet tall and wide generally, suit in and widely grown from USDA Zone 5 to Zone 9.