Rheum Palmatum

Description

Rheum Palmatum is a herbaceous perennial plant that belongs to the family Polygonaceae. It is native to the Himalayas and is commonly known as Chinese rhubarb, Turkey rhubarb, or ornamental rhubarb. Rheum Palmatum is widely grown as an ornamental plant in gardens due to its striking appearance and large size. It is also used for medicinal purposes due to its laxative and purgative properties.

Taxonomic Information

Appearance

Rheum Palmatum has large, heart-shaped leaves that can grow up to 2 feet in length and 1.5 feet in width. The leaves are green in color with prominent veins and are often tinged with red or bronze. The plant produces tall flower spikes that can reach up to 6 feet in height. The flowers are small and greenish-yellow in color, and the plant produces small, reddish-brown seeds.

Care Guide

Water

Rheum Palmatum requires regular watering during the growing season to keep the soil moist but not waterlogged. During the winter months, the plant should be watered sparingly.

Fertilization

The plant should be fertilized with a balanced fertilizer once a month during the growing season.

Soil

Rheum Palmatum prefers well-draining, fertile soil that is rich in organic matter. The soil should be slightly acidic with a pH between 5.5 and 6.5.

Sunlight

The plant prefers full sun to partial shade. It can tolerate some shade, but too much shade can cause the plant to become leggy.

Hardiness Zones

Rheum Palmatum is hardy in USDA zones 5-9.

Common Pests & Diseases

Rheum Palmatum is susceptible to a variety of pests and diseases, including aphids, spider mites, and powdery mildew. To prevent these problems, it is important to keep the plant healthy and to provide adequate air circulation.

Habitat

Rheum Palmatum is native to the Himalayas and grows in a variety of habitats, including forests, meadows, and rocky slopes. It prefers cool, moist environments and can tolerate temperatures as low as -15°F.

Question and Answer

Q: Is Rheum Palmatum edible?

A: Yes, Rheum Palmatum is edible, but it is not commonly used for culinary purposes due to its bitter taste and tough texture.

Q: Can Rheum Palmatum be grown in containers?

A: Yes, Rheum Palmatum can be grown in containers as long as the container is large enough to accommodate the plant’s size and root system.

Q: How often should Rheum Palmatum be fertilized?

A: Rheum Palmatum should be fertilized once a month during the growing season with a balanced fertilizer.

Q: Is Rheum Palmatum toxic?

A: Yes, Rheum Palmatum contains compounds that can be toxic if ingested in large quantities. It should not be consumed without proper preparation.

Related Plants

• Rheum Rhabarbarum
• Rheum Officinale
• Rheum Undulatum
• Rheum Australe

References

• https://www.gardeningknowhow.com/ornamental/flowers/rhubarb-plants/rheum-rhubarb-plant.htm
• https://www.gardenia.net/plant-variety/rheum-palmatum-chinese-rhubarb
• https://www.rhs.org.uk/Plants/18245/Rheum-palmatum/Details
• https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c302