Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Alexander
Additional cultivar information: (aka Alexandra, Alexander®, HARlex)
Hybridized by Harkness; Year of Registration or Introduction: 1972
» View all varieties of Roses  2 members have or want this plant for trade.
Class:
Hybrid Tea
Height:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing:
24-36 in. (60-90 cm)
Hardiness:
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:
Orange red (or)
Bloom Shape:
Tea shaped
Flower Fragrance:
Slightly Fragrant
Bloom Time:
Late Spring/Early Summer
Blooms repeatedly
Habit:
Unknown - Tell us
Patent Information:
Unknown - Tell us
Other Details:
Resistant to black spot
Resistant to mildew
Resistant to rust
Pruning Instructions:
Blooms on new wood; prune early to promote new growth
Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Propagation Methods:
By grafting
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