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Rainbow Knock Out® Rose flowers
(Photo courtesy of NetPS Plant Finder)
Height: 4 feet
Spread: 4 feet
Hardiness Zone: 4b
Other Names: Knockout Rose
Group/Class: Shrub Rose
Brand: Knock Out
A truly carefree rose, this variety is compact and bushy and blooms profusely throughout the season; it is highly disease resistant and has gorgeous coral petals framing a soft yellow center, fading to shades of pink
Rainbow Knock Out® Rose is bathed in stunning coral-pink flowers with hot pink overtones and yellow centers at the ends of the branches from late spring to early fall, which emerge from distinctive rose flower buds. The flowers are excellent for cutting. It has dark green foliage throughout the season. The glossy oval compound leaves do not develop any appreciable fall color. The fruits are showy red hips displayed in late fall.
Rainbow Knock Out® Rose is a multi-stemmed deciduous shrub with an upright spreading habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.
This is a high maintenance shrub that will require regular care and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;
Rainbow Knock Out® Rose is recommended for the following landscape applications;
Planting & Growing
Rainbow Knock Out® Rose will grow to be about 4 feet tall at maturity, with a spread of 4 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.
This shrub should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid.