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PlantFiles: Tropical Hibiscus
Hibiscus rosa-sinensis 'Renaissance Blue'

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Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: rosa-sinensis (RO-sa-sy-NEN-sis) (Info)
Cultivar: Renaissance Blue
Hybridized by C. Black

» View all varieties of Hibiscus

2 members have or want this plant for trade.

Height:
4-6 ft. (1.2-1.8 m)

Spacing:
4-6 ft. (1.2-1.8 m)

Hardiness:
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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Bloom Color:
Pink
Fuchsia (Red-Purple)
Blue-Violet
White/Near White

Bloom Time:
Blooms repeatedly

Foliage:
Evergreen
Shiny/Glossy-Textured
Veined

Other details:
This plant is attractive to bees, butterflies and/or birds
This plant is suitable for growing indoors
Average Water Needs; Water regularly; do not overwater
Provides winter interest
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

Propagation Methods:
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
By grafting
By air layering

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Joan
Thumbnail #1 of Hibiscus rosa-sinensis by Joan

By Joan
Thumbnail #2 of Hibiscus rosa-sinensis by Joan

By Joan
Thumbnail #3 of Hibiscus rosa-sinensis by Joan

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Joan On Feb 22, 2009, Joan from Belfield, ND (Zone 4a) wrote:

Note courtesy of Charles Black, hybridizer (Posted with permission, on his behalf)

Renaissance Blue is a single that is quite variable in color and markings, depending on weather conditions, fertilizer, and season. At times there are lots of white markings around the edge, other times there are none. In winter it will often resemble Lora, with shimmering shades of lavender and reddish purple dominating. In summer it will be more of a gray lavender with tones of blue and white markings as can be seen in some of the photos. The flower will open from 6-7" across and is completely overlapped. It is upright, branches well, and features attractive foliage that helps give it a full and bushy look. It is also extremely floriferous. It is not unusual to count more than 2 dozen buds forming on a mature bush.

Unlike many of the existing 'blues,' Renaissance Blue presents admirable bush qualities. It is upright, branches well, and features attractive foliage that helps give it a full and bushy look. It is also extremely floriferous. It is not unusual to count more than 2 dozen buds forming on a mature bush.

HVH has an intensive hybridizing program underway to develop ever more satisfying 'blue hibiscus'. We were very fortunate to have success with Renaissance Blue early in the program, and Renaissance Blue continues to be one of our very best 'blues' available.



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