Rhododendron williamsianum

R. williamsianum 
Photo source: Chris Klapwijk

Predominant Flower Color: 

 Pink 

Flower / Truss Description: 

 Campanulate, pale pink to rose, sometimes fading to white, in trusses of 1 to 3 flowers. 

Fragrant: 

 No 

Bloom Time: 

 Early Midseason 

Height (ft.) in 10 Yrs: 

 2 

Cold Hardiness Temperature: 

 -5°F (-21°C)

Foliage Description: 

 Leaves ovate-orbicular, up to 1¾" long, copper-colored when young. 

Plant Habit: 

 Dense, spreading, dome-shaped shrub 

Elepidote (E) or Lepidote (L): 

 E 

Sub Genus: 

 Hymenanthes 

Section: 

 Ponticum 

Sub Section: 

 Williamsiana 

Geographical Origin: 

 China (Sichuan, Guizhou) 

Note: Bloom time and 10 year height information are approximate
and can vary dependent on weather and growing conditions.
Hardiness temperature is also an approximate value.

American Rhododendron Society
P.O. Box 43, Craryville, NY 12521
Ph: 631-533-0375   E-Mail: member@arsoffice.org
©1998-2026, ARS, All rights reserved.