Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Species: banksiae (BANGK-see-ay) (Info)
Cultivar: Purezza
Additional cultivar information: (aka The Purezza, The Pearl™)
Hybridized by Mansuino; Year of Registration or Introduction: 1960
Synonym:Rosa banksia
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Class:
Rambler
Height:
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
Spacing:
10-12 ft. (3-3.6 m)
Hardiness:
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)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color:
White (w)
Bloom Shape:
Double
Flower Fragrance:
Slightly Fragrant
Bloom Time:
Late Winter/Early Spring
Habit:
Trained to climb
Trained on pillar
Trained as rambler
Patent Information:
Non-patented
Other Details:
Resistant to black spot
Resistant to mildew
Resistant to rust
Pruning Instructions:
Blooms on old wood; prune after flowering
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Propagation Methods:
By dividing the rootball
From softwood cuttings
By simple layering
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