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PlantFiles: Flowering Dogwood
Cornus x rutgersensis 'Ruth Ellen'

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Family: Cornaceae
Genus: Cornus (KOR-nus) (Info)
Species: x rutgersensis
Cultivar: Ruth Ellen
Additional cultivar information: (PP07732, aka Ruth Ellen, Rutlan)
Hybridized by Orton (released by Rutgers University, NJ); Year of Registration or Introduction: 1990

Category:
Trees

Height:
15-20 ft. (4.7-6 m)

Spacing:
15-20 ft. (4.7-6 m)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
N/A

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Deciduous
Good Fall Color

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:
Patented

Propagation Methods:
From softwood cuttings
By grafting
By budding

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Rickwebb
Thumbnail #1 of Cornus x rutgersensis by Rickwebb

By Rickwebb
Thumbnail #2 of Cornus x rutgersensis by Rickwebb

By Rickwebb
Thumbnail #3 of Cornus x rutgersensis by Rickwebb

By Rickwebb
Thumbnail #4 of Cornus x rutgersensis by Rickwebb

Profile:

No positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Rickwebb On Jan 9, 2014, Rickwebb from Downingtown, PA wrote:

A woman plant enthusiast recommended this hybrid of American Flowering Dogwood x Kousa Dogwood for a homeowner at a retirement community where I do a lot of work. I posted four photos in 2014. It is one cultivar of the Stellar Series bred by a Dr Orton at Rutger's University in New Jersey. These trees are intermediate between the two species. I bet the fruit is sterile. One big reason for their introduction was the fear of Discula fungus disease introduced from East Asia hurting many Flowering Dogwoods a lot in the 1990's, but many American plants are still surviving well now and resistant selections also exist.

Neutral Todd_Boland On Jan 29, 2005, Todd_Boland from St. John's, NL (Zone 5b) wrote:

Lower and more spreading than most flowering dogwoods. This one branches quite low to the ground. Unfortunately, it is susceptible to powdery mildew so plant it in a well aerated area. Bracts are brilliant white.

Regional...

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

Marietta, Georgia
Newtown Square, Pennsylvania



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