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 ...

The perfect time to cut back shrub roses, including the popular “Knock-Out” series, is when they are just starting to sprout new growth. The new shoots in spring will tell you where the plant is ...

A couple of days before Mother's Day, there was a day to celebrate in the world of horticulture. Friday, May 9, was National Knock Out Rose Day. This is the first year this day has been recognized.

Roses, long a gardener's favorite and our country's National Flower, still suffer from the reputation of being hard to grow. In reality, many modern roses like 'Knock Out' are robust, long-lived, ...