ARS Logo


Description of Rhododendron 'Commonwealth'

R. 'Commonwealth' 
Photo by: Weston Nurseries

Seed Parent x Pollen Parent: 

Henry's Red, open pollinated 

Predominant Flower Color: 


Flower / Truss Description: 

Flower broadly funnel-shaped, wavy edges, 3" across, deep red. Held in dome-shaped trusses of 18 flowers. 



Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-20F  (-29C)

Foliage Description / Plant Habit: 

Leaves elliptic, acute apex, cuneate base, 5" long, wavy and recurved edges, glossy, held 2-3 years. Open growth habit. 

Elepidote (E) or Lepidote (L): 



Registration Reference: 

ARS 991 

 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.