Rounded, bushy and well-behaved, this sparkling gem will perk up the landscape.
Medium, single flowers.
Sport of Knock Out.
Suitable for zones 5 to 10
Member of The Knock Out family.
White Knock Out redefines flower power. It will never stop blooming in the mildest area of the country, and the contrast between the deep dark, almost black foliage and the abundance of cream white flowers is staggering. Very compact and extremely disease resistant.
Rounded, bushy and well-behaved, this sparkling gem will perk up the landscape with lots of bright cheery single flowers and loads of nearly blue-green leaves. More red in cool weather. Prune lightly. Truly black spot resistant. Some powdery mildew.