ARS Logo


Description of Rhododendron 'Noble Mountain'

R. 'Noble Mountain' 
Photo by: Stuart Imrie

Seed Parent x Pollen Parent: 

degronianum ssp yakushimanum x Rodeo 

Predominant Flower Color: 


Flower / Truss Description: 

Flower widely funnel-campanulate, frilly edges, 2" across, purplish-pink with heavy dark red spotting on dorsal lobe, some strong purplish-red stripes on reverse. Dome-shaped truss with 15 flowers. 



Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Leaves narrowly elliptic, acute apex, cuneate base, 4" long, dull, olive green, retained 3 years. Upright, well-branched plant. 

Elepidote (E) or Lepidote (L): 



Registration Reference: 

ARS 864 

 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:
1998-2015, ARS, All rights reserved.