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Description
Carpinus Japonica, commonly known as Japanese hornbeam, is a deciduous tree native to Japan and Korea. It belongs to the Betulaceae family and is a popular ornamental tree due to its attractive foliage and bark. The tree can reach up to 30 feet in height and has a rounded, spreading crown. The leaves are serrated, ovate, and dark green in color. In autumn, the foliage turns a vibrant shade of orange or red.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Betulaceae |
| Genus | Carpinus |
Appearance
The Japanese hornbeam has a smooth gray bark that peels to reveal a lighter layer underneath. The tree has a slow growth rate and can take up to 20 years to reach its full height. The leaves are dark green, ovate, and serrated, with a pointed tip. The tree produces small, inconspicuous flowers in spring, followed by small winged fruits in late summer. The foliage turns a vibrant orange or red in the autumn before falling.
Care Guide
Carpinus Japonica is a hardy tree that requires little maintenance. Here are some tips for caring for this tree:- Water: The tree prefers moist, well-drained soil. Water regularly, especially during the first growing season.- Fertilization: Fertilize in early spring with a balanced fertilizer.- Soil: The tree grows best in moist, well-drained soil that is slightly acidic.- Sunlight: The Japanese hornbeam prefers partial shade but can tolerate full sun.- Hardiness Zones: The tree is hardy in USDA zones 5-8.
Common Pests & Diseases
The Japanese hornbeam is generally resistant to pests and diseases. However, it can be susceptible to leaf spot, powdery mildew, and canker. To prevent these issues, ensure that the tree has good air circulation and avoid overhead watering. If a problem does arise, treat with a fungicide.
Habitat
Carpinus Japonica is native to Japan and Korea and is commonly found in woodlands and forests. The tree prefers moist, well-drained soil and partial shade.
Question and Answer
Q: Can the Japanese hornbeam be grown in containers?
A: Yes, the tree can be grown in containers, but it may not reach its full height potential. Ensure that the container is large enough to accommodate the tree’s root system and provide adequate drainage.
Q: Is the Japanese hornbeam a good tree for small gardens?
A: Yes, the tree’s slow growth rate and small size make it an excellent choice for small gardens.
Q: Does the Japanese hornbeam attract wildlife?
A: Yes, the tree’s fruits are attractive to birds and small mammals.
Q: Can the Japanese hornbeam be pruned?
A: Yes, the tree can be pruned in late winter or early spring to maintain its shape.
Related Plants
– Carpinus Betulus (European hornbeam)- Carpinus Caroliniana (American hornbeam)- Carpinus Cordata (Heart-leaved hornbeam)- Carpinus Tsushimensis (Tsushima hornbeam)
References
– Missouri Botanical Garden: Carpinus Japonica- The Spruce: Japanese Hornbeam Tree Profile- North Carolina State University: Carpinus Japonica
