Photo by Melody

PlantFiles: Hardy Hibiscus, Rose Mallow, Swamp Mallow
Hibiscus moscheutos 'Mighty Big Pink'

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: moscheutos (mos-KEW-tos) (Info)
Cultivar: Mighty Big Pink
Hybridized by B. Morrison

» View all varieties of Hibiscus

9 members have or want this plant for trade.

4-6 ft. (1.2-1.8 m)

24-36 in. (60-90 cm)

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:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By jachurch
Thumbnail #1 of Hibiscus moscheutos by jachurch

By kastrol
Thumbnail #2 of Hibiscus moscheutos by kastrol

By kastrol
Thumbnail #3 of Hibiscus moscheutos by kastrol

By kastrol
Thumbnail #4 of Hibiscus moscheutos by kastrol


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive kastrol On May 27, 2009, kastrol from West Chester, PA (Zone 6b) wrote:

I received this Hibiscus 3 years ago as a division from a friend. When I planted it I added in some good bag soil and mixed it with my clay soil. Every year it gets bigger and better. The large bright pink flowers are just beautiful and so showy. I have measured them to get 12" across. It gets filtered morning sun and full sun from about noon to 4pm. I cut the dead wood down early in spring. Easy to grow, no extra special care. I mulch all my gardens in spring. This plants roots are shaded during growing season with hardy geraniums.

Positive jachurch On Aug 31, 2006, jachurch from Apple Valley, MN (Zone 4a) wrote:

The flower is over 11 inches across and lasts more than 1 day, depending on weather. Flower color is bright true pink. My Apple Valley MN plant grows on the west side of a building where it gets full sun all afternoon.


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

Blissfield, Michigan
Saint Paul, Minnesota
West Chester, Pennsylvania
Branchville, South Carolina

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