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

Find out when to prune Knock Out roses and how to make your cuts to keep your plants looking their best. Knock Out roses bloom for months and tolerate less-than-perfect growing conditions, so it's ...

They tend to be relatively winter-hardy and are usually ... And then, of course, there are Knock Out and all its pursuers. Even the toughest landscape roses have certain basic requirements ...

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 ...

Before the Knock Out rose was developed and released ... We potted them in the winter to sell in the spring. These were the traditional roses, like hybrid tea and climbing roses.