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PlantFiles: Hybrid Tea Rose
Rosa 'Red Masterpiece'

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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

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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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to view:

By mtilton
Thumbnail #1 of Rosa  by mtilton

By Maria2354
Thumbnail #2 of Rosa  by Maria2354

By Maria2354
Thumbnail #3 of Rosa  by Maria2354

Profile:

No positives
No neutrals
1 negative

Gardeners' Notes:

RatingAuthorContent
Negative plantoid On May 11, 2008, plantoid from Castro Valley, CA (Zone 9b) wrote:

buds don't open fully in my area, 9b-10a in Oakland, CA. The partially opened blooms ball up and turn brown. I learned somewhere long ago that this plant requires a lot of heat for the buds to open fully. When the buds did open fully, the flowers were exceptionally pretty, of classic form and a beautiful dark blood red.

Regional...

This plant has been said to grow in the following regions:

Tucson, Arizona
Fernandina Beach, Florida
Athens, Illinois
Hampton, Illinois
Columbus, Ohio
Knoxville, Tennessee
Brookfield, Wisconsin



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