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Description
Orthoraphium Coreanum, also known as Korean Orthoraphium, is a deciduous shrub that belongs to the family Rosaceae. It is native to Korea and Japan and is commonly grown for its attractive flowers and foliage. The plant can reach a height of up to 3 meters and has a spread of about 2 meters. It produces pink or white flowers in the late spring or early summer and has green leaves that turn yellow in the fall.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Orthoraphium |
Appearance
Orthoraphium Coreanum has a rounded shape and can grow up to 3 meters tall and 2 meters wide. It produces pink or white flowers in the late spring or early summer that are about 2.5 centimeters wide. The flowers have 5 petals and are arranged in clusters at the tips of the branches. The leaves are green and have a serrated edge. They turn yellow in the fall before dropping off. The bark is gray and smooth when young but becomes rough and fissured with age.
Care Guide
Orthoraphium Coreanum is a relatively easy plant to care for. Here are some guidelines to follow:
- Water: Keep the soil evenly moist but not waterlogged. Water the plant deeply once a week during the growing season and reduce watering in the winter.
- Fertilization: Feed the plant with a balanced fertilizer in the spring before new growth appears.
- Soil: Plant Orthoraphium Coreanum in well-draining soil that is rich in organic matter.
- Sunlight: The plant prefers full sun to partial shade. Provide at least 6 hours of direct sunlight each day.
- Hardiness Zones: Orthoraphium Coreanum is hardy in USDA zones 5 to 8.
Common Pests & Diseases
Orthoraphium Coreanum is relatively disease and pest-free. However, it may be susceptible to the following:
- Aphids: These small insects feed on the plant sap and can cause stunted growth and distorted leaves. Use insecticidal soap or neem oil to control aphids.
- Spider mites: These tiny pests also feed on the plant sap and can cause yellowing and browning of the leaves. Use insecticidal soap or neem oil to control spider mites.
- Crown rot: This fungal disease can cause the plant to wilt and die. Avoid overwatering and plant Orthoraphium Coreanum in well-draining soil to prevent crown rot.
Habitat
Orthoraphium Coreanum is native to Korea and Japan and is commonly grown as an ornamental plant in gardens and parks. It prefers moist, well-draining soil and full sun to partial shade. The plant is hardy in USDA zones 5 to 8.
Question and Answer
Q: Does Orthoraphium Coreanum attract bees?
A: Yes, Orthoraphium Coreanum is an attractive plant for bees and other pollinators.
Q: Can Orthoraphium Coreanum be grown in a container?
A: Yes, Orthoraphium Coreanum can be grown in a container as long as it has enough room to grow and the soil is well-draining.
Q: When is the best time to prune Orthoraphium Coreanum?
A: Prune Orthoraphium Coreanum in the late winter or early spring before new growth appears.
Q: How often should Orthoraphium Coreanum be fertilized?
A: Feed Orthoraphium Coreanum with a balanced fertilizer in the spring before new growth appears.
Related Plants
- Orthoraphium Chinense
- Orthoraphium Japonicum
- Orthoraphium Saxatile
References
- “Orthoraphium Coreanum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=j440.
- “Orthoraphium Coreanum.” Plant Finder, www.monrovia.com/plant-catalog/plants/2763/korean-orthoraphium/.
- “Orthoraphium Coreanum.” Royal Horticultural Society, www.rhs.org.uk/Plants/84046/Orthoraphium-coreanum/Details.
