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Eastern Rose Mallow

Hibiscus moscheutos, commonly known as hardy hibiscus or swamp rose mallow, is a vigorous, sturdy, rounded, somewhat shrubby, hairy-stemmed, woody-based perennial of the mallow family that loves wet areas such as marshes, swamps, floodplains, river banks, moist meadows, and moist woods. Showy, dinner plate-sized, hollyhock-like flowers (each to 4-6” diameter) have five overlapping white, creamy white or pink petals with reddish-purple to dark crimson bases which form a sharply contrasting central eye.

Tolerates some light shade, but full sun with good air circulation produces the best flowers, the strongest stems and the best environment for resisting potential diseases. Site in locations protected from wind to minimize the risk of wind burn. Pinch back growing tips when they reach 8” and again at 12” if bushy plants are desired. Cut back stems to approximately 3-4 inches in late autumn.

Larval Host for the

Chionodes hibiscella

3-7'

2-4'

SIZE

SOIL

medium, moist, wet

LIGHT

Full Sun

BENEFITS

bumblebees, solitary bees, specialist bees, butterflies, moths, wasps

NOTES

At the peak of bloom, a large plant can produce 20 or more flowers per day. Deadhead individual flowers to maintain plant appearance.

CHARACTERISTICS

Tolerates flooding, Showy, Tolerates Humidity

August, September, October

Flower

This 

flowers in

Swamp Rose Mallow

Hibiscus moscheutos

DETAIL VIEW

DESCRIPTION

Hibiscus moscheutos, commonly known as hardy hibiscus or swamp rose mallow, is a vigorous, sturdy, rounded, somewhat shrubby, hairy-stemmed, woody-based perennial of the mallow family that loves wet areas such as marshes, swamps, floodplains, river banks, moist meadows, and moist woods. Showy, dinner plate-sized, hollyhock-like flowers (each to 4-6” diameter) have five overlapping white, creamy white or pink petals with reddish-purple to dark crimson bases which form a sharply contrasting central eye.

Tolerates some light shade, but full sun with good air circulation produces the best flowers, the strongest stems and the best environment for resisting potential diseases. Site in locations protected from wind to minimize the risk of wind burn. Pinch back growing tips when they reach 8” and again at 12” if bushy plants are desired. Cut back stems to approximately 3-4 inches in late autumn.

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