Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Species: x alba
Cultivar: Maxima
Additional cultivar information: (aka Bonnie Prince Charlie's Rose, Cheshire Rose, Great Double White, Jacobite Rose)
Registered or introduced: pre-1500
Synonym:Rosa alba maxima
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Class:
Alba
Height:
6-8 ft. (1.8-2.4 m)
Spacing:
4-6 ft. (1.2-1.8 m)
Hardiness:
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
Bloom Color:
White (w)
Bloom Shape:
Double
Flower Fragrance:
Very Fragrant
Bloom Time:
Late Spring/Early Summer
Habit:
Shrub
Patent Information:
Non-patented
Other Details:
Shade-tolerant
Pruning Instructions:
Blooms on old wood; prune after flowering
Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Propagation Methods:
From semi-hardwood cuttings
By grafting
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