Add easy-to-grow 'Knock Out' roses (Rosa 'Knock Out') to your garden for beautiful blooms all season. Fact checked by Emily Peterson Reviewed by Julie Thompson-Adolf As one of the longest-blooming ...

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 no ...

Prune Knockout roses heavily in late winter or early spring as new growth begins. Lightly deadhead and shape in late summer, stopping two months before frost. For annual pruning, cut back one-third of ...