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Red Knock Out® Rose
Rosa 'Red Knock Out'
Red Knock Out® Rose flowers
(Photo courtesy of NetPS Plant Finder)
Height: 3 feet
Spread: 3 feet
Hardiness Zone: 4b
Group/Class: Shrub Rose
Brand: Knock Out Roses
One of the most popular roses in the world today, primarily due to its low maintenance, superior disease resistance and incredibly long period of bloom, with seemingly endless cherry red flowers; all roses need full sun and well-drained soil
Red Knock Out® Rose is smothered in stunning lightly-scented cherry red flowers at the ends of the branches from late spring to early fall, which emerge from distinctive ruby-red flower buds. The flowers are excellent for cutting. It has attractive dark green deciduous foliage which emerges burgundy in spring. The glossy oval compound leaves are highly ornamental and turn an outstanding burgundy in the fall.
Red Knock Out® Rose is a multi-stemmed deciduous shrub with a more or less rounded form. 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 shrub will require occasional maintenance 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;
Red Knock Out® Rose is recommended for the following landscape applications;
- Mass Planting
- General Garden Use
Planting & Growing
Red Knock Out® Rose will grow to be about 3 feet tall at maturity, with a spread of 3 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.