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Description of Rhododendron sulfureum

R. sulfureum 
Photo by: Chris Klapwijk

Predominant Flower Color: 

Yellow 

 Flower / Truss Description: 

Broadly campanulate," to 1" across, bright yellow, rarely greenish. Inflorescence 48-flowered. 

Fragrant: 

No  

Bloom Time: 

Early 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

5F (-15C)

Foliage Description: 

Leaves oblanceolate to elliptic, 1" to 3" long, leathery, glossy, glaucous white on lower surface, evergreen. 

Elepidote (E) or Lepidote (L): 

 

Plant Habit: 

Evergreen shrubs, usually epiphytic. 

Sub Genus: 

Rhododendron 

Section: 

Rhododendron 

Sub Section: 

Boothia 

Geographical Origin: 

China (SE Tibet, W Yunnan), N Burma 

 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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