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Description of Rhododendron 'Blue Diamond'

R. 'Blue Diamond' 
Photo by: Bill Stipe

Seed Parent x Pollen Parent: 

Intrifast Group x augustinii ssp augustinii 

Predominant Flower Color: 

Purple 

Flower / Truss Description: 

Flower flat, up to 2" across, light purple, unmarked. Truss holds up to 5 flowers. 

Fragrant: 

No 

Bloom Time: 

Early Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-5F  (-21C)

Foliage Description / Plant Habit: 

Leaves elliptic, 1" long. dark green. Dense, fine-branched stems grow vertically. Best in full sun. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Crosfield 

Registration Reference: 

RHS 58 

 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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