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Description of Rhododendron 'Mars'

R. 'Mars' 
Photo by: Herb Spady

Seed Parent x Pollen Parent: 

griffithianum? x unknown 

Predominant Flower Color: 


Flower / Truss Description: 

Flower campanulate, waxy, deep red, with white stamens. Held in ball-shaped trusses of 12-14. 



Bloom Time: 

Late Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-10F  (-23C)

Foliage Description / Plant Habit: 

Leaves narrow, dark green, ribbed, slightly twisted. Plant rather slow-growing and compact. 

Elepidote (E) or Lepidote (L): 


Waterer & Crisp 

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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