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More Information: Rhododendron 'Washington State Centennial'

R. 'Washington State Centennial' 
Photo: Harold Greer

Predominant Flower Color:  Yellow

Flower/Truss Description:  Flower tubular funnel-shaped, very deeply ruffled edges, 3" across, fragrant, light orange paling to white, with prominent strong orange-yellow blotch and discontinuous strong pink edge and veins. Ball-shaped truss holds 10-12 flowers.

Bloom Time:  Midseason

Foliage Description / Plant Habit:  Leaves elliptic and narrowly obovate, apiculate, cuneate, 3⅞" long, revolute, glossy, moderate yellow-green. Upright, open growth habit.

Deciduous or Evergreen:  Deciduous

Height:  5 feet in 10 years.

Cold Hardiness Temp:  -10F  ( -23C)

Parentage  (Seed Parent x Pollen Parent): 
   (occidentale x cumberlandense) x Santiam

Hybridizer:  Mossman

Registration Reference:  ARS 871

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:
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