ARS Logo


Description of Rhododendron 'Helen Deehr'

R. 'Helen Deehr' 
Photo by: Stuart Imrie

Seed Parent x Pollen Parent: 

Unknown Warrior x Noyo Brave 

Predominant Flower Color: 


Flower / Truss Description: 

Flower openly campanulate, 2" across, wavy to frilly-edges, vivid red. No markings. Held in ball-shaped trusses of about 15. 



Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Leaves elliptic, convex, 1" long, glabrous, dull, yellow-green, with tan indumentum, retained 3 years. Vigorous grower. Wider than tall. 

Elepidote (E) or Lepidote (L): 



Registration Reference: 

ARS 842 

 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.