Photo by Melody

PlantFiles: Tropical Hibiscus
Hibiscus rosa-sinensis 'Petra'

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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: Petra

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6 members have or want this plant for trade.

Height:
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 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:
Magenta (Pink-Purple)
Bright Yellow

Bloom Time:
Blooms all year

Foliage:
Evergreen
Blue-Green
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)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
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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to view:

By Shirley1md
Thumbnail #1 of Hibiscus rosa-sinensis by Shirley1md

By Shirley1md
Thumbnail #2 of Hibiscus rosa-sinensis by Shirley1md

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

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Toxicodendron On Jan 13, 2006, Toxicodendron from Piedmont, MO (Zone 6a) wrote:

Petra originated as a sport from Erin Rachael. On the first day, the blooms look nearly identical (neon pink/orange). Then on days 2 and 3, Petra develops an orange to yellow outer petal, with a considerable amount of white in the next zone. Full sun is a must for best coloration. I had shade cloth on my greenhouse, and only after it's removal am I beginning to see the color change.
The plant's growing habit is identical to it's parent: good branching, high bud count, attractive glossy foliage with rather small leaves.
Blooms are small, about 5 inches across. They last 3 days on the plant, but only 1 day if picked. (In my experience so far.)

Regional...

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

Ellicott City, Maryland



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