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Description
Clethra Barbinervis, also known as Japanese Clethra, is a deciduous shrub species native to Japan. It belongs to the genus Clethra and is a member of the Clethraceae family. The plant is highly valued for its ornamental qualities and is often used in landscaping, gardens, and parks.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Clethraceae |
| Genus | Clethra |
Appearance
Clethra Barbinervis is a medium-sized shrub that can grow up to 6-8 feet tall and wide. It has an upright, bushy growth habit and produces dense, dark green leaves that turn yellow in the fall. The plant is most notable for its beautiful, fragrant, white flowers that bloom in mid to late summer. The flowers are arranged in long, cylindrical clusters that can be up to 6 inches long and 2 inches wide.
Care Guide
Clethra Barbinervis is a relatively low-maintenance plant that is easy to care for. Here are some tips for optimal care:Water: The plant prefers moist, well-drained soil and should be watered regularly, especially during dry spells.Fertilization: It is recommended to fertilize the plant in the spring with a balanced, slow-release fertilizer.Soil: The plant can tolerate a wide range of soil types but prefers slightly acidic, loamy soil.Sunlight: Clethra Barbinervis grows best in partial to full shade, but can also tolerate some direct sunlight.Hardiness Zones: The plant is hardy in USDA zones 5-8.
Common Pests & Diseases
Clethra Barbinervis is generally resistant to pests and diseases, but it can still be susceptible to some issues. Here are some common pests and diseases to look out for:Pests: Aphids, spider mites, and scale insects.Diseases: Leaf spot, powdery mildew, and root rot.
Habitat
Clethra Barbinervis is native to Japan and is commonly found in mountainous regions and along streams and rivers. The plant prefers moist, shady habitats and can tolerate cold temperatures.
Question and Answer
Q: Can Clethra Barbinervis grow in full sun?
A: While the plant prefers partial to full shade, it can still tolerate some direct sunlight.Q: How tall can Clethra Barbinervis grow?
A: The plant can grow up to 6-8 feet tall and wide.Q: When does Clethra Barbinervis bloom?
A: The plant blooms in mid to late summer.Q: Is Clethra Barbinervis hardy?
A: Yes, the plant is hardy in USDA zones 5-8.
Related Plants
Here are some related plants to Clethra Barbinervis:- Clethra alnifolia (Summersweet)- Clethra delavayi (Delavay Clethra)- Clethra fargesii (Farges’ Clethra)
References
– “Clethra Barbinervis.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=h690.- “Japanese Clethra.” The Spruce, www.thespruce.com/japanese-clethra-plant-profile-5077751.- “Clethra Barbinervis.” Plant Finder, www.plantfinder.com/plants/clethra-barbinervis-7192.
