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Description of Rhododendron 'Martha Isaacson'

R. 'Martha Isaacson' 
Photo by: Herb Spady

Seed Parent x Pollen Parent: 

occidentale x Mrs Donald Graham 

Predominant Flower Color: 


Flower / Truss Description: 

An azaleodendron. Flower fragrant, white with a distinctive pink streak from center to outside. 



Bloom Time: 

Late Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Maroon-tinted leaves. Deciduous. Good vigorous habit. 

Elepidote (E) or Lepidote (L): 




Registration Reference: 

RHS 62 

 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:
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