Vietnamese Coriander (Persicaria Odorata)
Vietnamese coriander, also known as Persicaria odorata, is a delightful aromatic perennial herb that can enhance your garden in several ways. Here are some key points about this versatile plant:
Characteristics
- Flavour Profile: It has a unique, spicy flavour that combines notes of mint and cilantro, making it perfect for various Asian dishes.
- Growth Habit: This herb typically grows to about 1-2 feet in height, with lush green leaves that can be up to 4 inches long.
Growing Conditions
- Sunlight: Prefers partial shade to full sun.
- Soil: Thrives in well-draining, moist soil rich in organic matter.
- Climate: Best suited for warm, humid climates but can be grown in containers indoors in cooler regions.
Care Tips
- Watering: Keep the soil consistently moist but not waterlogged.
- Fertilization: A balanced fertilizer can promote healthy growth.
- Harvesting: Regularly harvest the leaves to encourage bushier growth.
Culinary Uses
- Commonly used in salads, soups, and stir-fries, particularly in Vietnamese cuisine.
- The leaves can be used fresh or cooked, and they pair well with seafood and meats.
Benefits
- Aromatic Qualities: Its scent can deter pests, making it beneficial for companion planting.
- Health Benefits: Traditionally used in herbal medicine for its anti-inflammatory properties.
Adding Vietnamese coriander to your garden not only enhances your culinary options but also contributes to a vibrant, aromatic atmosphere!
Hardiness in the UK
Vietnamese coriander is not fully hardy in the UK, as it prefers a warmer climate. It can survive mild winters with protection, but in colder regions, it may struggle. Growing it in pots allows for easier overwintering indoors.
Perennial Nature
Yes, Vietnamese coriander is a perennial herb, meaning it can come back each year. However, in the UK, it may require some care during the winter months to ensure it survives.
Companion Planting
When planting Vietnamese coriander, avoid placing it next to plants that may compete for space and nutrients, such as:
- Mint: Both can dominate the garden space.
- Sage: Similar growth habits may lead to competition.
- Fennel: Can inhibit the growth of coriander and other herbs.
For the best results, consider planting it alongside other herbs like basil or parsley, which can complement its growth.




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