Mountain water parsley

Ostericum sieboldii

Ostericum sieboldii is a perennial herbaceous plant native to mountainous regions in Korea, Japan, China, and other areas. The following is information regarding the growth characteristics, propagation methods, cultivation methods, garden uses, major pests and diseases, and control methods of Ostericum sieboldii.

Growth Characteristics
- Height: Grows to approximately 50–100 cm.
- Leaves: The leaves are long and stem-like, with pointed tips and rough margins.
- Flowers: Small white flowers bloom in umbels during the summer and are fragrant.
- Environment: Grows well in partial shade and prefers soil that maintains moderate moisture.

Propagation Methods
- Seeds: It can be propagated by seeds, and sowing in the spring is recommended.
- Division: It can be propagated by dividing root tubers in the autumn or spring.

Cultivation Methods
- Soil: It must grow in well-drained soil and prefers soil rich in organic matter. - Watering: Water to maintain adequate moisture, but avoid overwatering.
- Transplanting: It can be transplanted in spring or autumn, and proper watering is required after transplanting.

Garden Uses
- Landscape Plant: Suitable for decorating garden borders or landscapes.
- Medicinal and Edible: Traditionally, the roots and leaves have been used medicinally, and young leaves are edible.

Major Pests and Control Methods
- Diseases: It is generally resistant to disease, but it can contract root rot if waterlogged. It is recommended to prevent this by improving drainage.
- Pests: Aphids or snails can cause problems. They can be physically removed or eco-friendly insecticides can be used.

Although Cicada sieboldi is a relatively easy plant to care for, it can grow healthier if provided with the right environment and checked regularly.

Plant Type
Plant Family	Apiaceae
Height	50~100cm
Spread
Colors	white
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-20°C

Ganghwal
Angelica reflexa

slender body
Ostericum maximowiczii