rice paddy watercress

Cardamine lyrata

Cardamine lyrata is a perennial plant that grows in wetlands or along water's edge and is also well known as an aquatic plant. Below, we will explain the growth characteristics, propagation methods, cultivation methods, garden uses, and important pests and diseases, as well as control methods.

Growth Characteristics
- Environment: Cardamine lyrata thrives in well-drained soil and adapts well to water. In particular, it grows well in environments close to neutral with a pH of 6.0 to 7.0.
- Temperature: It grows well in temperate and subtropical climates, with an optimal growth temperature of 20 to 25 degrees Celsius. Although it enters dormancy during the winter, it can withstand sub-zero temperatures to some extent.
- Light: It grows in various light conditions ranging from partial shade to full sun, but it prefers bright light.

Propagation Methods
- Seed Propagation: Seeds can be sown and germinated in the spring. Germination is improved if the seeds are lightly covered with soil after sowing. - Root Division: Propagation by dividing the roots is also an effective method. Divide and plant the roots during the period of vigorous growth.

Cultivation Method
- Soil Preparation: Prepare well-draining soil and water thoroughly during the initial stages. As an aquatic plant, it can also be grown underwater.
- Water Management: If growing underwater, ensure the water remains clean.
- Fertilizer Management: It is recommended to apply water-soluble fertilizer during the growing season.

Garden Use
- Ornamental: Watercress lyrata is excellent for use in waterside gardens or aquatic gardens. It can create a natural landscape by harmonizing with other aquatic plants.

Important Pests and Control Methods
- Diseases: Fungal diseases can occur if water is stagnant. To prevent this, manage the water to ensure good circulation.
- Pests: Small pests such as aphids may occur. You can consider controlling pests periodically or using natural enemies. Watercress lyrata is a plant that can create a unique and beautiful landscape in aquatic gardens or regular flower beds. It is relatively easy to care for, so even beginners can grow it easily.

Plant Type
Plant Family	Cruciferae
Height	30~50cm
Spread
Colors	white
Bloom Period	April~May
Water Needs	well
Exposure	semi-shaded area
Freezing Resistance	-10°C

Whygatnaengi
Cardamine yezoensis

Watercress
Cardamine leucantha