Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Red Masterpiece
Hybridized by William A. Warriner; Year of Registration or Introduction: 1974
» View all varieties of Roses  One member has or wants this plant for trade.
Class:
Hybrid Tea
Height:
4-6 ft. (1.2-1.8 m)
Spacing:
Unknown - Tell us
Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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:
Dark red (dr)
Bloom Shape:
Tea shaped
Flower Fragrance:
Very Fragrant
Bloom Time:
Late Spring/Early Summer
Blooms repeatedly
Habit:
Shrub
Patent Information:
Unknown - Tell us
Other Details:
Susceptible to mildew
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:
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
By grafting
By budding
By simple layering
By air layering
By tip layering
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