Tropical Hibiscus 'Smokey Mountain'

Hibiscus rosa-sinensis

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: rosa-sinensis (RO-sa-sy-NEN-sis) (Info)
Cultivar: Smokey Mountain
Hybridized by Sinclair
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6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)


12-15 in. (30-38 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:

Unknown - Tell us

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Late Fall/Early Winter



Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

From woody stem cuttings

From softwood cuttings

From hardwood cuttings

Seed Collecting:

Unknown - Tell us

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


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

Port Saint Lucie, Florida

Jackson, Georgia

Chariton, Iowa

Brazoria, Texas

Corpus Christi, Texas

Gardeners' Notes:


On Dec 1, 2003, kamia from Athens, TN (Zone 7a) wrote:

I have several exotic hibiscus but the Smokey Mountain I have has probably been the best bloomer out of all of them. I got mine off a lady who had a black thumb instead of a green one. She was going to pitch it. Rather than telling her she had it in way to heavy soil and was overwatering it, I decided to spare it a long drawn out death and told her I'd take it. I've been nursing it back to health since. When I got it, it had 3 stems and about 2 yellow leaves on each one of them. So I whacked them back, repotted it in an extremely light blend of soil (compared to the peat humus she had it in), osmacote directly under the roots. Regular doses of water soluble fertilizer and it's doing pretty good. Slow grower but beautiful bloomer. Easy to propagate. I started new plants from what I cut off... read more