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Description of Rhododendron 'Catawbiense Grandiflorum'

R. 'Catawbiense Grandiflorum' 
Photo by: Torben Stein

Seed Parent x Pollen Parent: 

catawbiense hybrid or selection 

Predominant Flower Color: 


Flower / Truss Description: 

Flower lavender with a yellow-red blotch. Ball-shaped truss. 



Bloom Time: 

Late Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-15F  (-26C)

Foliage Description / Plant Habit: 

Leaves broadly elliptic, smooth, slightly shiny, dark green, . Vigorous grower, useful for background plantings. Heat tolerant. Grows to tree size. 

Elepidote (E) or Lepidote (L): 


Waterer, A. 

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
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