Climbing Rose, Large-Flowered Climber 'Night Owl'


Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Night Owl
Additional cultivar information:(PP18740, aka WEKpurosot, Night Owl)
Hybridized by Edmunds
Registered or introduced: 2006
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Modern Climber


10-12 ft. (3-3.6 m)


4-6 ft. (1.2-1.8 m)


USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Bloom Color:

Mauve and mauve blend (mb)

Bloom Shape:


Eye present


Flower Fragrance:

Slightly Fragrant

Bloom Time:

Blooms repeatedly


Trained to climb

Patent Information:


Other Details:

Resistant to black spot

Resistant to rust

Pruning Instructions:

Blooms on new wood; prune early to promote new growth

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Propagation Methods:

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

By grafting

By budding

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us


This plant has been said to grow in the following regions:


Mobile, Alabama

Meadview, Arizona

Dermott, Arkansas

Fayetteville, Arkansas

Oakland, California

Perris, California

San Jose, California

Santa Monica, California

Winchester, California

Richmond Hill, Georgia

Hinsdale, Illinois

Shawnee Mission, Kansas

Falmouth, Massachusetts

Midland, Michigan

Windsor, New York

Katy, Texas

Weslaco, Texas

Vancouver, Washington

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Gardeners' Notes:


On Sep 2, 2012, TraciLovesRoses from Burr Ridge, IL wrote:

I live in Burr Ridge Illinois. This is a vigorous, extremely hardy and disease resistant plant. I have it planted next to other climbers that had mildew at the beginning of this year due to the unusual weather. The Night Owl Rose was completely fine. I planted this in the fall last year and had no die back this spring.

I am finding this plant is VERY UPRIGHT. I was trying to grow this horizontally on a wall trellis. This does not work. It does not form laterally shoots and only blooms at the ends of vertical cains in very large claw-like clusters. This climber seems better suited to be grown as a bush or possibly as a pillar rose.


On Jun 4, 2011, Gascoigne from Shawnee Mission, KS (Zone 5a) wrote:

Superb climber....super thick canes one year 3/4" thick! Prolific grape colored blooms with yellow centers...I love diseases, NO BS, no heat wilting...just you must support it...this thing has taken off in my hot Kansas Summers and -20* F winters. If it can survive and thrive can anywhere !


On Jun 20, 2010, Caperose56 from Falmouth, MA wrote:

Very hardy, disease free. Continues to bloom throughout the summer. Thick canes need support,but it is now about 4 feet tall. A real beauty.


On May 18, 2009, chicochi3 from Fayetteville, AR (Zone 6b) wrote:

This is a tough, vigorous plant. Great grower with new stems every season.


On Sep 18, 2006, jamie68 from Vancouver, WA (Zone 8b) wrote:

This is a newer rose, a deep grape-juice purple climber that I have really enjoyed growing. I am growing this rose in the center of a small triangle bed on a triangular really is a neat dark purple...eventually. Sort-of started out a bright, jarring bright plummy pinkish/purple but the color settled as the rose grew up. Disease resistant!!