Quick summary
- Fish mint, also known as Vietnamese coriander, is a fragrant herb with a unique flavor profile that combines the freshness of mint with a hint of fishiness.
- If you’re looking to add a unique and flavorful herb to your garden, learning how to grow fish mint is a rewarding endeavor.
- Fish mint is a versatile herb with a unique flavor that can enhance a variety of dishes.
Fish mint, also known as Vietnamese coriander, is a fragrant herb with a unique flavor profile that combines the freshness of mint with a hint of fishiness. It’s a staple in Southeast Asian cuisine, adding a distinctive aroma and taste to dishes like pho, summer rolls, and salads. If you’re looking to add a unique and flavorful herb to your garden, learning how to grow fish mint is a rewarding endeavor.
Understanding Fish Mint
Fish mint (Persicaria odorata) is a member of the knotweed family, not related to true mint. Despite its name, it doesn’t actually taste fishy. The “fishy” flavor comes from a compound called **methyl mercaptan**, which is also found in some types of seafood.
Ideal Growing Conditions for Fish Mint
Fish mint thrives in warm climates and prefers moist, well-drained soil. It requires full sun to partial shade, making it adaptable to various growing conditions.
Light Requirements
Fish mint performs best in full sun to partial shade. It can tolerate some shade, but too much shade can lead to leggy growth and less flavorful leaves. Aim for at least 6 hours of sunlight per day.
Soil Preferences
Fish mint prefers moist, well-drained soil with a slightly acidic pH (6.0-6.5). Avoid heavy clay soils that can retain too much water and lead to root rot.
Temperature and Humidity
Fish mint is a tropical plant that prefers warm temperatures. It can tolerate some cooler temperatures, but it grows best in temperatures above 60°F (15°C). High humidity is also beneficial for its growth.
Propagation Methods
You can propagate fish mint through seeds or cuttings. Both methods are relatively easy and successful.
Starting from Seeds
- Sow seeds indoors: Start seeds indoors 6-8 weeks before the last frost. Use a seed starting mix and sow seeds about 1/4 inch deep. Keep the soil moist and warm.
- Direct sowing: You can also sow seeds directly outdoors after the last frost. Space seeds about 6 inches apart.
- Germination: Fish mint seeds typically germinate within 10-14 days.
Propagation by Cuttings
- Take cuttings: Cuttings should be about 4-6 inches long, taken from healthy stems. Remove the lower leaves and dip the cut end in rooting hormone.
- Plant cuttings: Plant cuttings in a pot filled with a well-draining potting mix. Keep the soil moist and warm. Cuttings should root within a few weeks.
Planting and Care
Once your fish mint plants are established, they require minimal care.
Planting
- Spacing: Space fish mint plants 12-18 inches apart.
- Planting depth: Plant seedlings or cuttings at the same depth they were growing in their original containers.
- Watering: Water regularly, especially during dry periods. The soil should be consistently moist but not waterlogged.
Fertilizing
Fish mint is a light feeder. You can fertilize with a balanced liquid fertilizer once a month during the growing season.
Harvesting
- Harvesting time: Harvest fish mint leaves when they are young and tender. The flavor is strongest when the leaves are about 2-3 inches long.
- Harvesting technique: Pinch off leaves or cut stems with a clean pair of scissors.
Pests and Diseases
Fish mint is generally resistant to pests and diseases. However, it can be susceptible to aphids, whiteflies, and powdery mildew.
Pest Control
- Aphids and whiteflies: Use insecticidal soap or neem oil to control these pests.
- Powdery mildew: Improve air circulation around plants and avoid overwatering to prevent powdery mildew.
Winter Care
Fish mint is an annual plant in colder climates. In areas with mild winters, it can overwinter as a perennial.
Winter Protection
- Protect from frost: In colder climates, fish mint will die back in winter. You can protect the roots by covering the planting area with a layer of mulch.
Fish Mint in the Kitchen
Fish mint is a versatile herb with a unique flavor that can enhance a variety of dishes.
Culinary Uses
- Soups and stews: Add fish mint to Vietnamese pho, Thai curries, and other Asian soups for a refreshing aroma and flavor.
- Salads and dips: Use fish mint to add a unique twist to salads, dips, and dressings.
- Meat and seafood: Fish mint complements grilled meats and seafood.
- Drinks: Add fish mint to cocktails, iced tea, and fruit juices for a refreshing taste.
Fish Mint: A Flavorful Addition to Your Garden
Growing fish mint is a rewarding experience. Its unique flavor and versatility make it a valuable addition to any herb garden. With proper care and attention, you can enjoy the fresh, aromatic leaves of this unique herb throughout the growing season.
Basics You Wanted To Know
Q: How long does it take for fish mint to grow?
A: Fish mint grows relatively quickly. From seed, it can take about 4-6 weeks for plants to reach maturity.
Q: Can I grow fish mint indoors?
A: Yes, you can grow fish mint indoors in a sunny window or under grow lights. Make sure to provide adequate drainage and moisture.
Q: How do I store fresh fish mint?
A: Store fresh fish mint in the refrigerator in a plastic bag or airtight container for up to a week. You can also freeze fish mint by blanching it for a few seconds in boiling water and then freezing it in an airtight container.
Q: What are some other uses for fish mint?
A: Fish mint can also be used in herbal teas, bath products, and as a natural insect repellent.
Q: Is fish mint invasive?
A: Fish mint is not considered invasive in the US. However, it can spread quickly in warm climates. Keep an eye on its growth and prune as needed to prevent it from becoming too invasive.
