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PlantFiles: Tropical Hibiscus
Hibiscus rosa-sinensis 'Giganormous'

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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: Giganormous
Hybridized by C. Black; Year of Registration or Introduction: 2002

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One member has or wants 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:
Pale Pink
Red

Bloom Time:
Blooms repeatedly

Foliage:
Evergreen
Shiny/Glossy-Textured

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
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

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

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)

Giganormous, as its name suggests, blooms with huge 10-11" single flowers in a soft pink with a red eye. The bush is lush, but somewhat soft with sprawling branches. Released from HVH in 2002.

Regional...

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

Fort Lauderdale, Florida



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