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Rose of Sharon, Shrub Althea 'Rose Satin'

Hibiscus syriacus

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: syriacus (seer-ee-AK-us) (Info)
Cultivar: Rose Satin
Additional cultivar information:(Satin series, aka Minrosa, Satin Rose)
» View all varieties of Hibiscus


8-10 ft. (2.4-3 m)


36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)


USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Full Sun

Bloom Color:


Bloom Time:

Mid Summer

Late Summer/Early Fall



Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Patent applied for/pending

Propagation Methods:

From herbaceous stem cuttings

From woody stem cuttings

From softwood cuttings

From semi-hardwood cuttings

Seed Collecting:

Bag seedheads to capture ripening seed

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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:

Jonesboro, Arkansas

Downers Grove, Illinois

Brunswick, Missouri

Saint Joseph, Missouri

Greenlawn, New York

Wakefield, Rhode Island

Sevierville, Tennessee

Boyd, Texas

Brownwood, Texas

Longview, Washington

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Gardeners' Notes:


On Oct 26, 2014, DavidLMo from St Joseph, MO wrote:

This plant has a ppaf (plant patent applied for - likely granted by now) from Proven Winners and the name is a Registered Trademark and it is illegal to propagate in any manner. Heh. Seed is viable, but as all things highly hybridized, it may or may not come true. Usually hybrids will not, but will revert to one of its hybridization parents.

This is a diminutive rose of Sharon and it is a fairly slow grower. Blooms later than my other RoS here in MO zone 5b, but is very hardy. Most of the time, I am closer to 6a, but this past winter I was closer to 5a.


On May 25, 2014, sandichaibrown from Lake Brownwood, TX wrote:

My rose of Sharon plant is 3 years old. It has thrived here in Central Texas. It's watered once a week and requires very little care other than that.


On Jun 9, 2011, Bazuhi from Downers Grove, IL (Zone 5a) wrote:

My sister ordered actual plants back in 2008 from Blue Stone Perennials and I ended up with small plants from the seeds dropping from the parent plant. The actual flower from the seed looks just like the parent plant but when I look here it said the seed will not come true to plant.. Maybe I lucked out but it looks just like it. I provided a photo of mine.. If anyone thinks it's not please let me know. I do trim all the branches down to about 2-3 inches from the ground and then in the spring I thin out the plant when it starts growing in order to keep it a neater look.