Vietnamese Coriander

Vietnamese Coriander Care

Persicaria odorata

What is the plant

Vietnamese coriander is a popular perennial plant that belongs to the Polygonaceae family and originates from countries with humid and hot climates. Due to its aroma, it is used as a seasoning in many countries, in particular in India and Vietnam. The plant is also eaten fresh and used in various salads, soups, or stews.

Persicaria odorata is easily identified by its ovate, dark green leaves that smell like coriander and grow directly from the stem. The leaves' lower part is burgundy, with small spots on its entire surface. Ripe leaves should be collected in the spring after 2-3 months have passed since planting.

As for the flowers, they look like bells, have a white color, and usually bloom in the second half of summer, provided that the climate is warm enough. The plant is small and grows to 45 cm (18 in) tall and wide, making it compact for growing in pots.

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Humidity

High

Lighting

Full Sun

Temperature

14°C - 20°C

Hardiness zone

10a - 12

Difficulty

Easy

How to Care for the Plant

Water
Water the plant often and make sure that the soil around it is always moist, but avoid excessive waterlogging. Use a moisture meter to monitor soil moisture.
Pruning
With clean garden shears, carefully cut crooked stems and remove wilted leaves for better growth and disease prevention.
Fertilizer
1-2 times a month, apply a special fertilizer for seaweed, which is ideal for the plant.

Disease diagnosis

Check your plant’s health

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Sunlight
The plant needs bright sunlight, so it should be placed near a well-lit window or in a bright area in the garden.
Soil
Use well-drained sandy or clay soil that has sufficient nutrients.
Propagation
Cut a healthy stem with a disinfected blade, then remove excess leaves and place them in clean water to allow new roots to grow. After that, plant in well-drained, slightly moist soil.

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Temperature
The best temperature for Persicaria odorata is 57-86˚F (14-30°C).
Container
Almost any type of container with drainage holes is suitable.
Fun fact
In addition to cooking, Vietnamese coriander is used to obtain essential oil, which contains many vitamins and useful components.