ARS Logo


Description of R. molle ssp japonicum

Photo by: William Spohn

Predominant Flower Color: 

Yellow, Orange, Red, Pink 

 Flower / Truss Description: 

Broadly funnel shaped, yellow, orange, red or salmon-pink, fragrant. 

Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-15F  (-26C)

Foliage /Habit Description: 

Leaves ovate or obovate to elliptic, up to 5" long, deciduous. Upright, non-stoloniferous shrub. 

Deciduous or Evergreen:


Sub Genus: 




Sub Section: 


Geographical Origin: 

Japan (Kyushu to Hokkaido) 

 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.