Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Black Jade
Additional cultivar information: (PP5925, aka BENblack)
Hybridized by Benardella; Year of Registration or Introduction: 1985
» View all varieties of Roses  2 members have or want this plant for trade.
Class:
Miniature
Height:
18-24 in. (45-60 cm)
Spacing:
18-24 in. (45-60 cm)
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Bloom Color:
Dark red (dr)
Bloom Shape:
Semi-double
Flower Fragrance:
No fragrance
Bloom Time:
Late Spring/Early Summer
Blooms repeatedly
Habit:
Bush
Patent Information:
Non-patented
Other Details:
Susceptible to mildew
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
| 
