Samsuguritdae

Angelica jaluana
Angelica jaluana is a plant endemic to Korea and is a perennial herbaceous plant that grows primarily in mountainous areas. The following describes the plant's growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases, as well as control methods.

Growth Characteristics
- Growing Environment: Angelica jaluana prefers to grow in well-ventilated locations with soil that is moderately moist. It thrives in partial shade and grows well in mild temperatures.
- Plant Morphology: It grows to a height of approximately 50–100 cm, and the stems tend to branch slightly. The leaves are pinnately compound, with long petioles, and the base of the stem may have a reddish tint.
- Flowers: Small white or pale purple flowers bloom in an umbrella shape during the summer and have a slight fragrance.

Propagation Methods
- Seed Propagation: Propagation by seeds is common. Seeds mature in the autumn; they can be sown immediately or stored in a cool place and planted in the spring. - Division: The plant can also be propagated by dividing it. Carefully divide the root sections in spring or autumn and plant them in a new location.

Cultivation Method
- Soil Preparation: Prepare well-draining soil by mixing in sufficient organic matter.
- Planting: Plant seeds about 1 cm deep, and cover the divided roots to help them establish themselves.
- Watering: Consistent watering is required initially, but afterward, relying on natural rainfall is acceptable. However, be careful not to let the soil become too dry or too wet.
- Fertilizer: During the growing season, provide nutrients using an appropriate amount of slow-release fertilizer.

Uses in the GardenSamsu-guritdae (Yalvana) is widely used as an ornamental plant in gardens and nature gardens. It fits well as a background plant in flower beds and harmonizes well with other herbaceous plants.

Important Pests and Control Methods
- Pests and Diseases: Major pests include leaf beetles and aphids. Root rot may occur if the soil becomes too wet. - Control Methods: Generally, when pests and diseases occur, organic pesticides are used, or methods to physically remove them are adopted. Preventively, planting in a well-ventilated area and sparingly can reduce the occurrence of pests and diseases.

Samsu-guritdae (Yalvana) is relatively easy to care for and is a useful plant for creating a natural atmosphere.
Plant Type
Plant Family	Apiaceae
Height	1~2m
Spread
Colors	white
Bloom Period	July~August
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-10°C
Seaside Angelica
Angelica japonica
Korean Angelica
Angelica gigas