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Description of Rhododendron 'Thor'

R. 'Thor' 
Photo by: Eleanor Philp

Seed Parent x Pollen Parent: 

haematodes ssp haematodes x Felis 

Predominant Flower Color: 


Flower / Truss Description: 

Flower broadly funnel-shaped, 4⅓" across, bright scarlet with large calyx. Held in a lax truss of about 7 flowers. 



Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

5F  (-15C)

Foliage Description / Plant Habit: 

Leaves 4" long, dark green, thickly hairy below. Compact, widely branched plant. 

Elepidote (E) or Lepidote (L): 



Registration Reference: 

ARS 621 

 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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