Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Altissimo
Additional cultivar information: (aka Altissimo®, Altus, DELmur)
Hybridized by Cuthbert; Year of Registration or Introduction: 1966
» View all varieties of Roses  2 vendors have this plant for sale.
4 members have or want this plant for trade. Class:
Cluster-flowered (incl. Floribunda & Grandiflora)
Modern Climber
Height:
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
Spacing:
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Hardiness:
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)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color:
Medium red (mr)
Bloom Shape:
Single
Cupped
Flower Fragrance:
Slightly Fragrant
Bloom Time:
Blooms repeatedly
Habit:
Trained to climb
Patent Information:
Non-patented
Other Details:
Resistant to black spot
Resistant to mildew
Resistant to rust
Stems are moderately thorny
Sets hips
Pruning Instructions:
Blooms on new wood; prune early to promote new growth
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
By grafting
By budding
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