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More Information: Rhododendron 'Adriaan Koster'

R. 'Adriaan Koster' 
Photo: Tijs Huisman

Predominant Flower Color:  Yellow

Flower/Truss Description:  Flower star-shaped, 4" across, single, deep yellow with orange botch on dorsal lobe.

Bloom Time:  Early Midseason

Foliage Description / Plant Habit:  Leaves mid green. Upright plant habit.

Deciduous or Evergreen:  Deciduous

Height:  6  feet in 10 years.

Cold Hardiness Temp:  0F  ( -18C)

Parentage  (Seed Parent x Pollen Parent):  unknown x unknown

Hybridizer:  unknown

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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