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shrub

Rainbow Knock Out® Rose

Rosa 'Radcor'

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Rainbow Knock Out Rose (Rosa 'Radcor') at All Seasons Nursery

Rainbow Knock Out® Rose flowers

Rainbow Knock Out® Rose flowers

(Photo courtesy of NetPS Plant Finder)

Rainbow Knock Out Rose (Rosa 'Radcor') at All Seasons Nursery

Rainbow Knock Out® Rose in bloom

Rainbow Knock Out® Rose in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  4 feet

Spread:  4 feet

Sunlight:  full sun 

Hardiness Zone:  4

Other Names:  Knockout Rose

Group/Class:  Shrub Rose

Brand:  Knock Out

Description:

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

Ornamental Features

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 deciduous foliage. The glossy oval compound leaves do not develop any appreciable fall color. The fruits are showy red hips displayed in late fall.

Landscape Attributes

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;

  • Disease
  • Spiny

Rainbow Knock Out® Rose is recommended for the following landscape applications;

  • Mass Planting
  • Hedges/Screening
  • General Garden Use

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 may require supplemental watering during periods of drought or extended heat. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Screening  Garden 
Applications
Flowers  Fruit 
Ornamental Features

Disclaimer - This Plant Finder tool is an online resource representing many of the varieties that we carry over the course of the season, and is intended for informational purposes only. Inventory varies seasonally, so we cannot guarantee that every plant will be in stock at all times - please contact the store directly for current availability. It does not include our entire selection of plants, so be sure to visit our store to see varieties that may not be represented on this list.


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