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'Great Double White' rose Description
'<i>Rosa alba vulgaris major</i>' rose photo
Photo courtesy of jedmar
Availability:
Commercially available
HMF Ratings:
322 favorite votes.  
Average rating: GOOD+.  
ARS:
White, near white or white blend Alba.
Registration name: Alba Maxima
Exhibition name: Alba Maxima
Origin:
Bred by Unknown (before 1320).
Class:
Alba, Species Cross.  
Bloom:
White, yellow highlights.  Strong, sweet fragrance.  40 to 75 petals.  Average diameter 3.25".  Medium to large, very full (41+ petals) bloom form.  Once-blooming spring or summer.  Glandular sepals, leafy sepals buds.  
Habit:

Height: 6' to 8'2" (185 to 250cm).  Width: 4' to 5' (120 to 150cm).
Growing:
USDA zone 3b through 9b.  Prune after flowering is finished.  Prune lightly until this rose gets established (about two years), then prune it back by about a third..  This rose blooms on old wood.  
Patents:
Patent status unknown (to HelpMeFind).
Ploidy:
Hexaploid
Notes:
Rosa alba var. florepleno hort. ex Andrews. Roses 1:t.12. 1810.

Different opinions about parentage, please see References.
Sets hips.
The Swedish Rose Society recommends Maxima for northern Sweden.
 
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