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Description of Rhododendron 'Holden'

R. 'Holden' 
Photo by: Paul Lawry

Seed Parent x Pollen Parent: 

Cunningham's White x red catawbiense seedling 

Predominant Flower Color: 


Flower / Truss Description: 

Flower openly funnel-shaped, 2" across, bright rose-red tinged blue, with dark red blotch. Held in conical-shaped truss. 



Bloom Time: 

Early Midseason to Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-15F  (-26C)

Foliage Description / Plant Habit: 

Leaves 4" long, leathery, glossy, partly twisted, dark green. Round, dense habit. Give afternoon sun protection. 

Elepidote (E) or Lepidote (L): 



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
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