Large Flowered Climbing Rose 'Black Boy'


Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Black Boy
Additional cultivar information:(aka Blackboy)
Hybridized by Clark
Registered or introduced: 1919
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Modern Climber


8-10 ft. (2.4-3 m)


8-10 ft. (2.4-3 m)


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:



Flower Fragrance:

Very Fragrant

Bloom Time:

Late Spring/Early Summer

Blooms repeatedly


Unknown - Tell us

Patent Information:


Other Details:

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Pruning Instructions:

Blooms on old wood; prune after flowering

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Propagation Methods:

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

From hardwood heel cuttings

By grafting

By budding

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

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Gardeners' Notes:

No details have been posted.