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Description of Rhododendron calostrotum ssp. riparium

R. calostrotum 
Photo by: Herb Spady

Predominant Flower Color: 

Pink, Purple 

 Flower / Truss Description: 

Widely funnel shaped or rotate, pink to purple. 

Fragrant: 

No  

Bloom Time: 

Late Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F (-18C)

Foliage Description: 

Leaves elliptic to oblong-obovate, up to 1" long, rarely glaucous. 

Elepidote (E) or Lepidote (L): 

 

Plant Habit: 

Erect or decumbent 

Sub Genus: 

Rhododendron 

Section: 

Rhododendron 

Sub Section: 

Saluenensia 

Geographical Origin: 

India (Arunachal Pradesh), NE Burma, China (SE Tibet, NW Yunnan) 

 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
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