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PlantFiles: Tropical Hibiscus
Hibiscus rosa-sinensis 'Gwen Mary'

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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: Gwen Mary
Hybridized by C. Black; Year of Registration or Introduction: 2006

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

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

Bloom Time:
Blooms repeatedly

Foliage:
Evergreen
Smooth-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

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Joan On Feb 18, 2009, Joan from Belfield, ND (Zone 4a) wrote:

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

Gwen Mary blooms prolifically with a vivid deep pink 5-6" flower that really stands out. It's an Australian import that grows on a strong, upright, medium-sized bush. It's a wonderful landscape plant that is used extensively in Australia. It tolerates sun very well. Released at HVH in 2006.



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