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Hardy Hibiscus, Rose Mallow, Swamp Mallow 'Carolina Mix'

Hibiscus moscheutos

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: moscheutos (mos-KEW-tos) (Info)
Cultivar: Carolina Mix
» View all varieties of Hibiscus


36-48 in. (90-120 cm)


24-36 in. (60-90 cm)


USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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)

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:



White/Near White

Bloom Time:

Mid Summer

Late Summer/Early Fall



Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing the rootball

From herbaceous stem cuttings

From seed; sow indoors before last frost

From seed; direct sow after last frost

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

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:

Mountain View Acres, California

Panama City, Florida

Chillicothe, Illinois

Romulus, Michigan

Wyandotte, Michigan

Norfolk, Nebraska

Stayton, Oregon

Bedford, Texas

Gainesville, Texas

Joshua, Texas

Pearisburg, Virginia

Suffolk, Virginia

Casper, Wyoming

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Gardeners' Notes:


On Mar 26, 2011, Katiev0383 from Bel Air, MD wrote:

I am new to th perennial hibicus and planted one in both my garden in Maryland and at our beach house in Delaware. I am so glad I read the comment from Panama City, Fla. about the late start for this plant as I was getting concerned that neither of my new plants was going to come back this year. Anyone out there know when to expect some growth from this plant further north?


On Jun 10, 2009, cmsjjdr from Panama City, FL (Zone 8b) wrote:

I have 4 of these plants. The first year I had red, white with red and pink with red. For some reason now they are all the color of the picture here.The die all the way to the ground in winter and then begin to come back up in April. That is late in this area so if you are new to these, be patient. Once they start to grow they will be 4 to 6 feet tall in just a few weeks and then they bloom until they get killed by a good freeze. like most hibiscus, they don't like to dry out.


On Sep 2, 2008, shihtzumom from Pearisburg, VA (Zone 7a) wrote:

Stunning large flowers. It's like looking out the window and seeing the moon in your garden. I love this plant.


On Mar 20, 2008, lancekaiapoi from Christchurch
New Zealand wrote:

Just started stocking this plant in our nursery here in Christchurch,New Zealand.The colours and size of the flowers are spectacular.Reported to be hardy to the frosts we get here,which is down to -7c.Have taken cuttings in early Autumn,so hopefully they will strike easily enough,look forward to seeing how these plants will survive.


On Aug 7, 2006, Gabrielle from (Zone 5a) wrote:

Large, beautiful flowers. Soaking seeds aids germination. Slow to break dormancy in spring.