Hedera Rhombea

Description

Hedera Rhombea, also known as Diamond-Leaved Ivy or Japanese Ivy, is a species of ivy that belongs to the Araliaceae family. It is an evergreen climbing plant that can grow up to 20 meters long. The leaves of Hedera Rhombea are diamond-shaped with three to five lobes, and they have a glossy dark green color. The plant produces small, greenish-yellow flowers in late summer or early autumn, which are followed by black berries. Hedera Rhombea is native to Japan, Korea, and China, but it is widely cultivated in other parts of the world as an ornamental plant.

Taxonomic Information

Appearance

The leaves of Hedera Rhombea are diamond-shaped with three to five lobes, and they have a glossy dark green color. The plant produces small, greenish-yellow flowers in late summer or early autumn, which are followed by black berries. Hedera Rhombea can grow up to 20 meters long and can climb up walls, trees, and other structures using its aerial roots. The plant is evergreen and can be used as a ground cover, a climber or a trailing plant in hanging baskets or containers. Hedera Rhombea is a slow-growing plant, and it can take several years to reach its maximum height.

Care Guide

Water: Hedera Rhombea prefers consistently moist soil, but it does not tolerate waterlogging. Water the plant when the top inch of soil feels dry.

Fertilization: Feed Hedera Rhombea with a balanced fertilizer every two weeks during the growing season. Do not fertilize during the winter months.

Soil: Hedera Rhombea prefers well-draining soil that is rich in organic matter. The soil should be slightly acidic, with a pH range of 5.5 to 6.5.

Sunlight: Hedera Rhombea can grow in full sun to partial shade. However, it prefers bright indirect light.

Hardiness Zones: Hedera Rhombea grows best in USDA hardiness zones 6 to 9.

Common Pests & Diseases

Hedera Rhombea is relatively resistant to pests and diseases. However, it can be affected by spider mites, mealybugs, and scale insects. To prevent these pests, keep the plant well-hydrated and avoid overcrowding. Fungal diseases such as leaf spot and anthracnose can also affect Hedera Rhombea. To prevent these diseases, avoid overhead watering and maintain good air circulation around the plant.

Habitat

Hedera Rhombea is native to Japan, Korea, and China. It grows in forests, along riverbanks, and on rocky slopes. Hedera Rhombea is widely cultivated in other parts of the world as an ornamental plant, and it can be found in gardens, parks, and landscapes.

Question and Answer

Q: Is Hedera Rhombea toxic to pets?

A: Yes, Hedera Rhombea is toxic to pets, including cats and dogs. The plant contains saponins, which can cause vomiting, diarrhea, and other symptoms if ingested.

Q: How often should I prune Hedera Rhombea?

A: Prune Hedera Rhombea as needed to control its growth and shape. The best time to prune is in late winter or early spring before new growth appears.

Q: Can Hedera Rhombea grow indoors?

A: Yes, Hedera Rhombea can grow indoors as long as it receives bright indirect light, consistent moisture, and good air circulation.

Q: How fast does Hedera Rhombea grow?

A: Hedera Rhombea is a slow-growing plant, and it can take several years to reach its maximum height. However, the plant can grow up to 20 meters long over time.

Related Plants

• Hedera Helix (English Ivy)
• Hedera Canariensis (Algerian Ivy)
• Hedera Hibernica (Irish Ivy)
• Hedera Nepalensis (Himalayan Ivy)

References

• Dirr, M. A. (2009). Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses. Timber Press.
• Missouri Botanical Garden. (2021). Hedera Rhombea. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c199
• University of Florida. (2021). Hedera Rhombea. Retrieved from https://sfyl.ifas.ufl.edu/lawn-and-garden/florida-friendly-plants/hedera-rhombea/