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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.

Fragrant:  No

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:  -5°F  ( -21°C)

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

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Koster & Sons

Registration Reference:  RHS 58

Glossary of plant description terminology.
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
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Ph: 631-533-0375   E-Mail: member@arsoffice.org
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