Persicaria odorata, commonly known as Vietnamese coriander, is a perennial herb in the family Polygonaceae. It is native to Southeast Asia and is widely used in Vietnamese cuisine. The plant thrives in subtropical climates and is known for its aromatic leaves, which have a distinctive, spicy flavor. It is a subshrub that prefers moist conditions and can be grown both indoors and outdoors.
Vietnamese coriander prefers bright, indirect light and should be kept in a warm, humid environment. It thrives in moderate temperatures and requires regular watering to keep the soil evenly moist. The plant can be grown indoors or outdoors, making it versatile for different growing conditions.
収穫
Persicaria odorata, commonly known as Vietnamese coriander, should be harvested when the plant is well-established and has a good amount of foliage, typically around 90 days from planting. Harvest the leaves by cutting the stems just above a leaf node to encourage new growth. It is best to harvest in the morning when the essential oils are most concentrated. Regular harvesting will promote bushier growth and prevent the plant from becoming too leggy.
土壌
The plant prefers loamy soil that is well-draining yet retains moisture. A good potting mix with organic matter will help maintain the necessary moisture levels. Ensure the soil is slightly acidic to neutral for optimal growth.
肥料
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant every 4-6 weeks during the growing season to provide the necessary nutrients for healthy growth.
植え替え
Repot the plant every 1-2 years or when it outgrows its current container. Choose a pot that is slightly larger than the current one and ensure it has good drainage. Gently remove the plant from its old pot, loosen the roots, and place it in the new pot with fresh soil.
伝搬
Vietnamese coriander can be easily propagated through stem cuttings. Take a cutting from a healthy plant, remove the lower leaves, and place it in water or moist soil. Keep the cutting in a warm, humid environment until roots develop, then transplant it to a pot or garden bed.
剪定
Regular pruning is necessary to maintain the plant's shape and encourage bushy growth. Trim back any leggy or overgrown stems, and remove any dead or damaged leaves. Pruning also helps improve air circulation around the plant.
毒性
Vietnamese coriander is not toxic to pets or humans. It is safe to grow in households with pets and children. However, it is always a good practice to monitor pets and children around plants to prevent any accidental ingestion.
追加
Vietnamese coriander is a versatile herb that can be used fresh in salads, soups, and various dishes. It is also known for its medicinal properties, including its use as a digestive aid and anti-inflammatory agent. Regular harvesting of the leaves will encourage new growth and keep the plant healthy.