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'Thor' rose Description
'Thor (Rambler, Horvath, 1940)' rose photo
Photo courtesy of scvirginia
Availability:
Commercially available
HMF Ratings:
28 favorite votes.  
Average rating: EXCELLENT-.  
ARS:
Dark red Large-Flowered Climber.
Registration name: Thor (Rambler, Horvath, 1940)
Origin:
Bred by Michael Henry Horvath (United States, 1940).
Introduced in United States by Wayside Gardens as 'Thor'.
Class:
Climber, Large-Flowered Climber, Rambler.  
Bloom:
Dark red.  Mild, damask, opinions vary fragrance.  56 to 60 petals.  Average diameter 4".  Borne mostly solitary, in small clusters, globular bloom form.  Spring or summer flush with scattered later bloom.  
Habit:
Climbing.  

Height: 12' (365cm).  
Growing:
USDA zone 6b and warmer.  
Patents:
United States - Patent No: PP 387  on  7 May 1940   VIEW USPTO PATENT
Application No: 309067  on  13 Dec 1939
Parentage:
Alpha (parent of 'Thor) × President Coolidge (hybrid setigera, Horvath, 1925)
Notes:
Parentage reported in Modern Roses is different from the parentage reported in the patent abstract - see References and Comments. The parentage listed in HMF is from the patent.