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

Knock Out roses bloom for months and tolerate less-than-perfect growing conditions, so it's no wonder they're so popular. These tough shrub roses also don’t require a mid-season makeover or weekly ...

“You are never too old to set another goal or to dream a new dream.” – C.S. Lewis. Winter is here, thus giving gardeners plenty of time to plan for the upcoming months and specific maintenance ...

While you might not think of roses as a beginner plant, the Knock Out Rose can prove you wrong. Beloved by many gardeners for its hardiness, this plant is decidedly one of the best roses to care for ...

'Rainbow Knock Out' is a beloved standby for many Southern gardeners. This shrub features coral-pink flowers alongside burgundy-to-deep green foliage. Roses, long a gardener's favorite and our country ...

Don't be afraid to lightly prune Knockout roses during the growing season. After working in the Pontotoc County Library garden, Master Gardeners wanted to host a session about pruning the knockout ...

Knock Out roses are resistant to black spot but will occasionally experience infections (they are not immune). The plants are ...

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 ...

WASHINGTON — They’re colorful, they’re classic, and they light up any landscape. Roses aren’t just for Valentine’s Day — they’re a summer staple. Specifically, the "Knock Out" variety of rose, which ...