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’re beautiful, symbolic and have been immortalized in poems and songs, but even seasoned gardeners can express ...

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.