Contents
Description
Prunella vulgaris subsp. asiatica is a perennial herb that belongs to the Lamiaceae family. It is commonly known as the Asiatic self-heal or the Asian heal-all. This plant is native to East Asia, including Japan, China, and Korea. It is a low-growing plant that can reach up to 20cm in height.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Prunella |
Appearance
The Prunella vulgaris subsp. asiatica has small, lance-shaped leaves that grow in opposite pairs along the stem. The flowers are tubular and purple-blue in color, growing in dense clusters at the top of the stem. The plant blooms from June to August, and the seeds are dispersed by the wind. The plant has a spreading habit and can form a dense mat with age.
Care Guide
The Prunella vulgaris subsp. asiatica is an easy-to-grow plant that requires minimal care. It prefers moist, well-draining soil and partial shade. However, it can tolerate a wide range of soil types and can grow in full sun to full shade.
Watering: The plant needs regular watering, especially during dry periods. Water the plant deeply once a week, or as needed, to keep the soil moist but not waterlogged.
Fertilization: The plant does not require fertilization. However, you can apply a slow-release fertilizer in early spring to promote growth.
Soil: The plant prefers moist, well-draining soil. However, it can tolerate a wide range of soil types, including clay, loam, and sandy soils.
Sunlight: The plant prefers partial shade but can tolerate full sun to full shade.
Hardiness Zones: The plant is hardy in USDA zones 4-8.
Common Pests & Diseases
The Prunella vulgaris subsp. asiatica is generally resistant to pests and diseases. However, it can be affected by fungal diseases such as powdery mildew and rust. To prevent these diseases, avoid overhead watering and improve air circulation around the plant. If necessary, apply a fungicide to control the disease.
Habitat
The Prunella vulgaris subsp. asiatica is native to East Asia, including Japan, China, and Korea. It can be found growing in fields, meadows, and along roadsides. It is a common plant in traditional medicine and is used to treat various ailments, including sore throats, coughs, and digestive disorders.
Question and Answer
Q: Is the Prunella vulgaris subsp. asiatica a medicinal plant?
A: Yes, the plant is used in traditional medicine to treat various ailments, including sore throats, coughs, and digestive disorders.
Q: What is the ideal growing condition for the Prunella vulgaris subsp. asiatica?
A: The plant prefers moist, well-draining soil and partial shade. However, it can tolerate a wide range of soil types and can grow in full sun to full shade.
Q: What are the common pests and diseases that affect the Prunella vulgaris subsp. asiatica?
A: The plant is generally resistant to pests and diseases. However, it can be affected by fungal diseases such as powdery mildew and rust.
Q: What is the hardiness zone for the Prunella vulgaris subsp. asiatica?
A: The plant is hardy in USDA zones 4-8.
Related Plants
- Prunella vulgaris
- Prunella grandiflora
- Prunella laciniata
- Prunella vulgaris subsp. lanceolata
References
- “Prunella vulgaris subsp. asiatica.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=h580.
- “Prunella vulgaris subsp. asiatica.” Plants of the World Online, Kew Science, powo.science.kew.org/taxon/urn:lsid:ipni.org:names:980657-1.
