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PlantFiles: Tropical Hibiscus
Hibiscus rosa-sinensis 'Three Ring Circus'

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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: Three Ring Circus
Additional cultivar information: (aka Three-ring Circus)
Hybridized by C. Black; Year of Registration or Introduction: 2005

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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
Pale Yellow
Maroon (Purple-Brown)

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

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Joan On Feb 23, 2009, Joan from Belfield, ND (Zone 4a) wrote:

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

'Three-Ring Circus' blooms with vivid, ruffly 8-10" flowers in 3 rings of maroon, pink, and yellow. It is the offspring of the well known 'Rainbow Christie' and an unnamed but very large HVH seedling that died after we made this cross. Fortunately, 'Three-Ring Circus' inherited the large flower genes. It is a good bloomer, and the bush matures into a large and strong bush. Released from HVH in 2005.



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