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Description of Rhododendron 'Cunningham's Sulphur'

Seed Parent x Pollen Parent: 

caucasicum hybrid or selection? 

Predominant Flower Color: 

Yellow 

Flower / Truss Description: 

Flower broadly funnel-shaped, 2" across, pale creamy-yellow with pale green markings. Held in ball-shaped trusses of 14 flowers. 

Fragrant: 

No 

Bloom Time: 

Early 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-5F  (-21C)

Foliage Description / Plant Habit: 

Leaves elliptic to oblanceolate, about 3" long, glossy, medium green, thinly felted below . Dense and compact plant. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Cunningham 

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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