Hibiscus Syriacus

Description

Hibiscus Syriacus, also known as Rose of Sharon, is a deciduous shrub that belongs to the family Malvaceae. This plant is native to Asia and has been cultivated for thousands of years for its ornamental value. Hibiscus Syriacus can grow up to 10 feet tall and 6 feet wide, making it a great addition to any garden or landscape. It produces beautiful flowers that come in shades of pink, purple, blue, and white. The flowers are large, trumpet-shaped, and can grow up to 3 inches in diameter. They bloom in the summer and fall, attracting bees, butterflies, and hummingbirds.

Taxonomic Information

Appearance

Hibiscus Syriacus has an upright growth habit with a rounded shape. Its leaves are green, glossy, and have a lobed shape. They can grow up to 4 inches long and 3 inches wide. The flowers are the main attraction of this plant, and they come in a variety of colors, including pink, purple, blue, and white. The flowers have five petals and a prominent pistil and stamen. They can grow up to 3 inches in diameter and bloom in the summer and fall. The fruit of Hibiscus Syriacus is a capsule that contains numerous seeds.

Care Guide

Water

Hibiscus Syriacus prefers well-draining soil that is kept evenly moist. It is important to water this plant deeply and regularly, especially during hot and dry weather. Avoid overwatering, as this can lead to root rot.

Fertilization

Hibiscus Syriacus benefits from regular fertilization during the growing season. Use a balanced fertilizer that is high in phosphorus to encourage blooming. Apply the fertilizer according to the manufacturer’s instructions.

Soil

Hibiscus Syriacus prefers well-draining soil that is rich in organic matter. It can tolerate a range of soil types, including sandy and clay soils. The pH of the soil should be slightly acidic, between 6.0 and 6.5.

Sunlight

Hibiscus Syriacus prefers full sun to partial shade. It can tolerate some shade, but this may result in fewer blooms.

Hardiness Zones

Hibiscus Syriacus is hardy in USDA zones 5 through 9.

Common Pests & Diseases

Hibiscus Syriacus can be susceptible to a few pests and diseases, including:

• Spider mites
• Aphids
• Scale insects
• Fungal leaf spot
• Powdery mildew

To prevent these issues, keep the plant healthy and well-watered. Prune any infected branches and dispose of them properly. You can also use insecticidal soap or horticultural oil to control pests.

Habitat

Hibiscus Syriacus is native to eastern Asia, including China and Korea. It grows in a variety of habitats, including forests, thickets, and along riverbanks. In its native range, it is often used for medicinal purposes and as an ornamental plant.

Question and Answer

Q: Can Hibiscus Syriacus grow in containers?

A: Yes, Hibiscus Syriacus can be grown in containers as long as the container is large enough to accommodate its roots. Use a well-draining potting mix and water the plant regularly.

Q: How often should I prune my Hibiscus Syriacus?

A: Prune your Hibiscus Syriacus in late winter or early spring before new growth appears. Remove any dead, damaged, or diseased branches, as well as any branches that are crossing or rubbing against each other.

Q: Can Hibiscus Syriacus tolerate frost?

A: Hibiscus Syriacus is hardy in USDA zones 5 through 9 and can tolerate some frost. However, if temperatures drop below 25°F, the plant may experience damage or die back to the ground.

Q: How long do the flowers of Hibiscus Syriacus last?

A: The flowers of Hibiscus Syriacus can last for several days to a week, depending on the weather and growing conditions.

Related Plants

• Hibiscus rosa-sinensis
• Hibiscus coccineus
• Hibiscus moscheutos
• Hibiscus acetosella

References

• Missouri Botanical Garden: Hibiscus Syriacus
• University of Florida IFAS Extension: Hibiscus Syriacus
• Royal Horticultural Society: Hibiscus Syriacus
• Garden Design Magazine: How to Grow Hibiscus Syriacus