American Rhododendron Society Web Site ARS
navigation menu background

Rhododendron Plant Search

New Search

  "Printer Friendly" Page

More Information: 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

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

Plant Habit:  Evergreen shrubs, usually epiphytic.

Height:  5 feet in 10 years.

Cold Hardiness Temp:  5F  ( -15C)

Elepidote (E) or Lepidote (L):  L

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 weather and growing conditions.
Cold hardiness temperature is also an approximate value.

American Rhododendron Society
P.O. Box 214, Great River, NY 11739
Ph: 631-533-0375   Fax: 866-883-8019   E-Mail:
1998-2021, ARS, All rights reserved.