Sandonggulle

Polygonatum thunbergii

Polygonatum thunbergii is a perennial herbaceous plant belonging to the Liliaceae family. It primarily grows in shady forests and prefers moderate moisture.
 - Growth Characteristics:
- It grows to a height of approximately 30–60 cm.
- The stems are upright and erect, and the leaves are arranged alternately.
- Pale green or white flowers bloom in spring, and black fruits are produced in autumn.
 - Propagation Methods:
- It is mainly propagated by rhizome division.
- Seed propagation is also possible, but it is not commonly used due to a low germination rate.
 - Cultivation Methods:
- It prefers well-drained and fertile soil.
- It thrives in partial shade, and direct sunlight should be avoided.
- Maintain moderate moisture, but avoid excessive moisture.
- Provide appropriate fertilizer in spring and autumn. 4. Use in the Garden:
- It is ideal for planting in shady gardens or along walking paths.
- It is popular as an ornamental plant due to the beautiful shapes of its leaves and flowers.
- When placed alongside other shade-loving plants, it can create a natural garden landscape.
 - Important Pests and Control Methods:
- It is primarily susceptible to leaf blight and fungal diseases.
- If disease occurs, immediately remove the affected parts and maintain adequate spacing to ensure good ventilation.
- Aphids may appear as pests; these can be removed with eco-friendly soapy water or by using insecticides specifically designed for pests.
- As a preventative measure, spraying a mixture of baking soda and water on the leaves is also effective.

Plant Family	Lily family
Height	50∼100cm
Colors	White, green
Bloom Period	April to June
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-20°C

Layered Solomon's seal
Polygonatum stenophyllum

sea knotweed
Polygonum arenastrum