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More Information: Rhododendron 'Diane'

R. 'Diane' 
Photo: Stuart Imrie

Predominant Flower Color:  Yellow

Flower/Truss Description:  Flower broadly campanulate, 3" across, light greenish yellow to pale yellow-green, with red spotting in throat. Ball-shaped truss holds 9-10 flowers. Slow to form flower buds.


Bloom Time:  Early Midseason to Midseason

Foliage Description / Plant Habit:  Leaves elliptic to broadly ovate, 3" to 5" long, recurved, bullate, glossy, dark green. Tendency to develop yellow mottling. Prefers some shade for best performance. Compact, upright habit.

Height:  6  feet in 10 years.

Cold Hardiness Temp:  -5F  ( -21C)

Parentage  (Seed Parent x Pollen Parent): 
   Mrs Lindsay Smith x campylocarpum ssp campylocarpum hybrid

Elepidote (E) or Lepidote (L):  E

Hybridizer:  Koster & Sons

Registration Reference:  RHS 58

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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