Job's Nursery and Pumpkin Patch LLC

Helping Tri-City Gardeners Grow Since 1940!

Job's Nursery LLC is a family owned nursery and tree farm that offers a wide selection of outdoor plants that are hardy for our area. We are located just north of Pasco on Columbia River Road.  It's a short trip to a beautiful location to escape the hustle and bustle of your everyday life.

 

 

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shrub

Rose (Shrub), Knock Out

Rosa 'Radrazz'

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Rose (Shrub), Knock Out (Rosa 'Radrazz') at Job's Nursery

Rose (Shrub), Knock Out flowers

Rose (Shrub), Knock Out flowers

(Photo courtesy of NetPS Plant Finder)

Rose (Shrub), Knock Out (Rosa 'Radrazz') at Job's Nursery

Rose (Shrub), Knock Out in bloom

Rose (Shrub), Knock Out in bloom

(Photo courtesy of NetPS Plant Finder)

Rose (Shrub), Knock Out (Rosa 'Radrazz') at Job's Nursery

Rose (Shrub), Knock Out flowers

Rose (Shrub), Knock Out flowers

(Photo courtesy of NetPS Plant Finder)

Height:  4 feet

Spread:  4 feet

Sunlight:  full sun 

Hardiness Zone:  4b

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

Rose (Shrub), Knock Out is smothered in stunning cherry red flowers at the ends of the branches from late spring to mid 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. The spiny brick red bark adds an interesting dimension to the landscape.

Landscape Attributes

Rose (Shrub), Knock Out 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. It is a good choice for attracting bees to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Spiny

Rose (Shrub), Knock Out is recommended for the following landscape applications;

  • Mass Planting
  • Hedges/Screening
  • General Garden Use

Planting & Growing

Rose (Shrub), Knock Out 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. This plant should be periodically fertilized throughout the active growing season with a specially-formulated acidic fertilizer. It is not particular as to soil type, but has a definite preference for acidic soils. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid.

Special Attributes

Pre-spring Cleanup for Shrub Roses is Late January into February remove dead or weak canes, clean up any damage to the plant. Selectivity prune to train the branches to grow the way you want them to buy cutting right above a bud where you want a new branch to grow.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Massing  Screening  Garden 
Applications
Flowers  Foliage Color  Fall Color  Bark  Attracts Wildlife 
Ornamental Features