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More Information: Rhododendron maddenii ssp. crassum

R. 'maddenii' 
Photo by: Kenneth Cox

Predominant Flower Color:  White

Flower/Truss Description:  Highly variable species. Tubular funnel-shaped, white, very fragrant. Trusses have 3-10 flowers.

Fragrant:  Yes

Bloom Time:  Late to Very Late

Foliage Description:  Leaves elliptic, glossy, medium to dark green.

Plant Habit:  

Height:  6  feet in 10 years.

Cold Hardiness Temp:  20F  ( -7C)

Elepidote (E) or Lepidote (L):  L

Sub Genus:  Rhododendron

Section:  Rhododendron

Sub Section:  Maddenia

Geographical Origin:  

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
Executive Director: P.O. Box 525, Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail:
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