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Description of Rhododendron 'Wissahickon'

R. 'Wissahickon' 
Photo by: Herb Spady

Seed Parent x Pollen Parent: 

unknown x unknown 

Predominant Flower Color: 


Flower / Truss Description: 

Flower broadly funnel-shaped, wavy edges, 3⅛" across, purplish-red with pink throat and faint brownish-green spots. Held in ball-shaped truss of 16 flowers. 



Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-10F  (-23C)

Foliage Description / Plant Habit: 

Leaves elliptic, flat, broadly acute apex, oblique base, 3" to 4" long, semi-glossy, yellowish-green, retained 2 years. Open, leggy habit. Sun tolerant. 

Elepidote (E) or Lepidote (L): 



Registration Reference: 

ARS 971 

 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
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