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'Helen Knight' rose Description
'Helen Knight' rose photo
Photo courtesy of Cristina Macleod
Availability:
Commercially available
Synonyms:
HMF Ratings:
20 favorite votes.  
ARS:
Medium yellow Shrub.
Exhibition name: Helen Knight
Origin:
Bred by F.P. Knight (United Kingdom, 1966).
Class:
Shrub, Species / Wild, Species Cross.  
Bloom:
Yellow.  Large, single (4-8 petals) bloom form.  Once-blooming spring or summer.  
Habit:

Height: 5' to 7' (150 to 215cm).  Width: 4' (120cm).
Growing:
USDA zone 6b through 9b (default).  
Patents:
Patent status unknown (to HelpMeFind).
Ploidy:
Diploid
Notes:
Different opinions about parentage - see References.
 
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