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Description of Rhododendron 'Blue Boy'

R. 'Blue Boy' 
Photo by: Hank Helm

Seed Parent x Pollen Parent: 

Blue Ensign x Purple Splendour 

Predominant Flower Color: 

Purple 

Flower / Truss Description: 

Flower openly funnel-shaped, wavy lobes, 2" across, strong purple with a prominent near black blotch . Held in tight ball trusses of 18-20 flowers. 

Fragrant: 

No 

Bloom Time: 

Late 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-10F  (-23C)

Foliage Description / Plant Habit: 

Leaves narrowly elliptic, acute apex, cuneate base, 6" long, dark green, held 3 years. Upright, open habit. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Watson 

Registration Reference: 

ARS 812 

 Note: Bloom time and 10 year height information are approximate and can vary dependent on local climate and soil conditions.
Hardiness temperature is also an approximate guideline.


American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
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