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Tropical Hibiscus
Hibiscus rosa-sinensis 'Irish Spring'

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: rosa-sinensis (RO-sa-sy-NEN-sis) (Info)
Cultivar: Irish Spring
» View all varieties of Hibiscus

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:

Chartreuse (Yellow-Green)

Green

Bloom Time:

Blooms repeatedly

Foliage:

Evergreen

Shiny/Glossy-Textured

Other details:

Average Water Needs; Water regularly; do not overwater

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

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

Regional

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

San Bernardino, California

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Oct 6, 2011, Beach_Barbie from Kure Beach, NC (Zone 9a) wrote:

I love this plant and it's pod sibling 'Nightmare'.. Prolific bloomer and the plant itself has a rounded shape, so doesn't take up a lot of room.