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PlantFiles: Tropical Hibiscus
Hibiscus rosa-sinensis 'Sweet Sixteen'

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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: Sweet Sixteen
Hybridized by C. Black; Year of Registration or Introduction: 2009

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One member has or wants this plant for trade.

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

Spacing:
36-48 in. (90-120 cm)

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)

Sun Exposure:
Full Sun

Bloom Color:
Pink
White/Near White

Bloom Time:
Blooms repeatedly

Foliage:
Evergreen
Smooth-Textured
Shiny/Glossy-Textured

Other details:
This plant is suitable for growing indoors
Average Water Needs; Water regularly; do not overwater
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

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 May 28, 2009, Joan from Belfield, ND (Zone 4a) wrote:

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

'Sweet Sixteen' is a fresh and innocent new seedling with sweetly simple pink and white 6-8" single flowers. It blooms prolifically with consistently pretty form. 'Sweet Sixteen' is a hibiscus orphan, of unknown parentage, from the hybridizing program of Charles Black. Released from HVH in 2009.



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