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Description of Rhododendron 'Cowslip'

R. 'Cowslip' 
Photo by: Roland Kersten

Seed Parent x Pollen Parent: 

williamsianum x wardii 

Predominant Flower Color: 

White 

Flower / Truss Description: 

Flower broadly campanulate, 2" to 2" across, pale primrose yellow to cream, suffused pink. Loose truss holds 5-7 flowers. 

Fragrant: 

No 

Bloom Time: 

Early Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Leaves oval, about 3" long. Mounding habit. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Aberconway 

Registration Reference: 

RHS 58 

 Note: Bloom time and 10 year height information are approximate and can vary dependent on local climate and soil conditions.
Hardiness temperature is also an approximate guideline.


American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
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