Photo by Melody

PlantFiles: Tropical Hibiscus
Hibiscus rosa-sinensis 'Fifth Dimension'

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: rosa-sinensis (RO-sa-sy-NEN-sis) (Info)
Cultivar: Fifth Dimension

» View all varieties of Hibiscus

9 members have or want this plant for trade.

6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

36-48 in. (90-120 cm)

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:
Magenta (Pink-Purple)

Bloom Time:
Blooms repeatedly


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:

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

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

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

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

By mainys_flower
Thumbnail #4 of Hibiscus rosa-sinensis by mainys_flower

By mainys_flower
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By amarantha00
Thumbnail #6 of Hibiscus rosa-sinensis by amarantha00

By amorecuore
Thumbnail #7 of Hibiscus rosa-sinensis by amorecuore

There are a total of 12 photos.
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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive munteus On Apr 13, 2014, munteus from Brisbane
Australia wrote:

Mother"Lily Howard " x father"Old Spot " ,hybridiser & grower Howard, Gordon&Evelyn ,Bloom size Medium 5-6" 12.5-15cm Single Grey Medium ,bush size 1m to 2m,listed in USA,FL,CHAMPION of USA ,WINNER of HOTY(hibiscus of the year)-1989

Positive kamia On Dec 13, 2003, kamia from Athens, TN (Zone 7a) wrote:

I enjoy this hibiscus. It's blooms fade throughout the day. The blooms usually start out bright orange. By mid afternoon they turn dim orange or sometimes have a dim yellowish appeal. By evening pale yellow to whitish. If memory serves correctly, I've noticed they go through their color change quicker on sunnier days. On overcast days their bright orange color lingers longer. A very interesting hibiscus.


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

San Bernardino, California
Fort Lauderdale, Florida
New Port Richey, Florida
Ruskin, Florida

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