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Muenchhusia moscheutos

Hibiscus moscheutos

Also called Crimsoneyed rosemallow, Crimsoneyes rosemallow, Swamp rosemallow, Common Rose Mallow, Swamp Rose Mallow, Mallow Rose, Sea Hollyhock

Muenchhusia moscheutos
Photo: The Cosmonaut, CC BY-SA 2.5 ca

A tall, cold-hardy perennial hibiscus native to eastern North American wetlands, grown for its very large pink, white or red flowers. It thrives in full sun with constantly moist soil.

Family
Malvaceae (Mallow family)
Grows as
Perennial
Light
Full sun
Water
Keep soil consistently moist, and water freely in dry spells; it can also grow at the edge of ponds or bogs.
Soil
Moist, loamy or silty soil that is slightly acidic.
Temperature
Hardy to around -30 °C (USDA zones 5 to 9); protect young growth from late frosts.
How easy
Easy
Safety
Not known to be toxic

About

Muenchhusia moscheutos, the rose mallow, swamp rose-mallow, crimsoneyed rosemallow, or eastern rosemallow, is a species of flowering plant in the family Malvaceae. It is a cold-hardy perennial wetland plant that can grow in large colonies. The hirsute leaves are of variable morphology, but are commonly deltoidal in shape with up to three lobes. It is found in wetlands and along the riverine systems of the eastern United States from Texas to the Atlantic states, its territory extending northward to southern Ontario. Subspecies lasiocarpos is also native to northeastern Mexico, California, and Utah.

How to grow it

This is a popular garden plant. It can be propagated by seed, or by crown divisions during winter dormancy, and some success can be achieved by hard-wood stem cuttings. Numerous hybrids of the native North American Hibiscus species have been released by the commercial nursery trade. In cultivation the species or the hybrids can be used in bog gardens or other water features. They are attractive and have wildlife value for nectar-feeders and birds.

Where it grows

It is a larval host for the common checkered skipper, the gray hairstreak, the Io moth, and the pearly wood nymph. The plant prefers partial to full sun and is a wetland native, utilizing the constantly moist soils that contain loam, silt and have acidic pH. Pollinated by bees and self-compatible. The most effective pollinators for this species are bumblebees and solitary anthophorid bees (Ptilithrix bombiformis). Multiple studies conducted in Maryland show that a majority of rosemallow flowers are pollinated by Ptilithrix bombiformis.

Uses

The edible parts of the plant include its leaf buds and young leaves, flowers, immature seed pods (which can be prepared as okra), seeds, and roots.

Other Hibiscus plants

Alyogyne hakeifolia · Alyogyne huegelii · African rosemallow · Kenaf · Scarlet rosemallow · Desert rosemallow · Paleface · Philip Island hibiscus · Hibiscus · Heartleaf rosemallow · Dixie rosemallow · Hibiscus paramutabilis

Text excerpted from the Wikipedia article Muenchhusia moscheutos by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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