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Description of Rhododendron exasperatum

R. exasperatum 
Photo by: Kenneth Cox

Predominant Flower Color: 

Red 

 Flower / Truss Description: 

Tubular campanulate, brick-red, rarely pink. Compact truss holds 10-15 flowers. 

Fragrant: 

No  

Bloom Time: 

Early to Early Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

5F (-15C)

Foliage Description: 

Leaves broadly obovate to elliptic, up to 6" long, purplish when young. 

Elepidote (E) or Lepidote (L): 

 

Plant Habit: 

Compact to open shrub or small tree 

Sub Genus: 

Hymenanthes 

Section: 

Ponticum 

Sub Section: 

Barbata 

Geographical Origin: 

India (Arunachal Pradesh), Burma, China (SE Tibet) 

 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: lauragrant@arsoffice.org
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