Cultivation Methods and Care Tips for the Cotton Rose Hibiscus

Other Names for the Cotton Rose Hibiscus

The cotton rose hibiscus, also known as hibiscus flower, frost-defying flower, wood lotus, ground hibiscus, and Chinese wood, is native to China and is a deciduous shrub of the genus Hibiscus in the Malvaceae family.

Growth Habits of the Cotton Rose Hibiscus

The cotton rose hibiscus prefers a warm, humid environment with plenty of sunlight, tolerates partial shade slightly, and has a certain degree of cold resistance. It is not demanding about soil, but grows best in fertile, moist, well-drained sandy soil. It can be planted in sunny spots in the courtyard or beside ponds. It is usually managed with relatively little care; during droughts, pay attention to watering. Each winter or spring, dig a trench around the plant and apply some decomposed organic fertilizer, then water and cover the soil promptly after fertilizing.

In cold regions, some tender branches of field-planted specimens may freeze to death in winter; there is no need to worry about it, as new branches will emerge after the temperature warms up in spring. Pruning is done after flowering. The tree shape can be pruned into either a tree form or a shrub form, but either way, dead branches, weak branches, and inner canopy branches should be cut away to ensure good ventilation and light penetration inside the canopy. The cotton rose hibiscus can also be grown in pots. The potting soil should be loose, fertile, and well-drained with good aeration. During the growing season, there must be enough moisture to meet its growth needs. Move it indoors to overwinter in winter, maintaining a temperature of 0 to 10°C to ensure dormancy.

Morphological Characteristics of the Cotton Rose Hibiscus

The cotton rose hibiscus is a deciduous shrub or small tree, over 1m tall. The branches are densely covered with stellate hairs. The leaves are alternate, broadly ovate or roundly ovate, palmately 3 to 5-lobed, with pointed or acuminate tips, and stellate down on both surfaces. The flowers are large, borne singly at the leaf axils at the ends of branches, in colors such as red, pink, and white, with a flowering period from 8 to 10. The capsule is flattened-spherical and matures from 10 to 11. In colder regions, it withers in late autumn and regrows branches and buds from the perennial roots the following year. It is clump-forming and only about 1m tall. In places where winter temperatures are higher, it can reach 7 to 8m in height, with some reaching 20cm in diameter. The leaves are large, broadly ovate, with 3 to 5 lobes; the lobes are triangular, the base is heart-shaped, the leaf margins have blunt serrations, and both surfaces are hairy. The flowers are borne singly in the leaf axils at the ends of branches, and may be white, or initially pale red and later turning deep red, as well as large red double-petaled, white double-petaled, half-white half-peach-red double-petaled, and red-and-white mixed forms.

Complete Collection of Cotton Rose Hibiscus Varieties

Common Varieties of Cotton Rose Hibiscus

White Hibiscus: bears white flowers

Pink Hibiscus: flowers are pink

Red Hibiscus: large red flowers, large and double-petaled, closely resembling a peony

Yellow Hibiscus: also known as Yellow Mo, yellow flowers, bell-shaped, with a dark purple center, large and double-petaled, closely resembling a peony; it is a rare variety

Drunken Hibiscus: also known as "Three Drunken Hibiscus"; it opens white in the early morning, turns peach-red at noon, and then becomes deep red in the evening; it is a rare and precious variety.

Application Value of the Cotton Rose Hibiscus

1. Ornamental value. The cotton rose hibiscus blooms in late autumn, has a long flowering period, blooms abundantly, and has many varieties. Its flower colors and flower forms vary richly among varieties, making it a very good flowering tree species. Because the flowers are large and colorful, it has been planted in gardens in China since ancient times. It can be planted singly or in groups by walls, roadsides, and in front of halls. It is especially suitable for planting beside water; when in bloom, the interplay of shimmering waves and flower reflections makes it all the more charming and enchanting, hence the name "water-reflecting hibiscus." In addition, it is very suitable for planting in courtyards, on slopes, along roadsides, at forest edges, and in front of buildings, or for growing as a flowering hedge. In the cold north, it can also be grown in pots for ornamental display.

2. Industrial uses. The stem bark contains 39% cellulose. The stem bark fiber is flexible and water-resistant, and can be used as a raw material for cables and textiles, and can also be used to make paper.

3. Medicinal value. The flowers, leaves, and roots of the cotton rose hibiscus are rich in medicinal components such as flavonoids, hyperoside, inulin glycosides, phenols, and reducing sugars, and all can be used as medicine. It can clear heat and detoxify, reduce swelling and discharge pus, and cool the blood to stop bleeding. It is used for lung-heat cough, excessive menstruation, and leukorrhea; externally, it is used to treat carbuncles, swellings, sores, and boils, mastitis, lymphadenitis, mumps, burns and scalds, venomous snake bites, and bruises. The well-known "Yulu San" and "Hibiscus Flower Oil" are made from the flowers and leaves of the cotton rose hibiscus.

Appreciation of Cotton Rose Hibiscus Pictures