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Description of Rhododendron  'Blue Danube'

Photo by: Kenneth Cox

Seed Parent x Pollen Parent: 

Malvaticum x kaempferi 

 Predominant Flower Color: 


Flower / Truss Description: 

Flower funnel-shaped, 1" - 1" across, strong reddish-purple with vivid reddish-purple midribs and deep red spotting. Inflorescence 2-3 flowered. 

Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-10F  (-23C)

Foliage Description / Plant Habit: 

Leaves 2" long, bright green. Upright, spreading habit. 

Deciduous or Evergreen: 



van Hecke 

Registration Reference: 

RHS 69 

 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
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