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Tagawa Gardens Nursery & Garden Center

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shrub

Knock Out® Rose

Rosa 'Radrazz'

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Knock Out® Rose (Rosa 'Radrazz') at Tagawa Gardens

Knock Out® Rose flowers

Knock Out® Rose flowers

(Photo courtesy of NetPS Plant Finder)

Knock Out® Rose (Rosa 'Radrazz') at Tagawa Gardens

Knock Out® Rose in bloom

Knock Out® Rose in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  3 feet

Spread:  3 feet

Sunlight:  full sun 

Hardiness Zone:  4

Other Names:  Knockout Rose

Group/Class:  Shrub Rose

Brand:  Knock Out

Description:

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

Ornamental Features

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 foliage which emerges burgundy in spring. The glossy oval compound leaves are highly ornamental and turn an outstanding burgundy in the fall. The fruit is not ornamentally significant.

Landscape Attributes

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;

  • Spiny

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

  • Mass Planting
  • Hedges/Screening
  • General Garden Use

Planting & Growing

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.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Screening  Garden 
Applications
Flowers  Foliage Color  Fall Color  Bark 
Ornamental Features

Disclaimer: Inventory varies seasonally as well as by the hour during busy season. Please call us directly 303-690-4722 or visit us for current availability.


Welcome to Tagawa Gardens
Nursery & Garden Center

Click Here for our latest in-store Coupon!*

Like our new website?
Take our Survey!

HOURS: (map / directions)

CONTACT US: (click here for e-mail)      303.690.4722
7711 S. Parker Road Centennial, CO 80016

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