Blue Horse

Dioscorea coreana

I will explain the various characteristics and management methods of Dioscorea coreana.
 - Growth Characteristics:
- It is a perennial vine that grows wild mainly in mountainous regions.
- The leaves are long and broad, and remain green during the summer.
- The flowers bloom early in summer and are small, white or yellow.
- The roots are buried in the form of tubers and serve as nutrient storage.
 - Propagation Methods:
- It is mainly propagated via seeds or tubers.
- For seed propagation, sow seeds indoors in the spring and allow them to germinate.
- For tuber propagation, plant tubers harvested in the autumn the following spring.
 - Cultivation Methods:
- It thrives in locations with sufficient sunlight and well-drained soil.
- It prefers soil that is close to neutral with a pH of around 6.0 to 7.0. - A thorough drainage system is required, and it is important to avoid excessive moisture.
- Regular fertilizer application is necessary, focusing particularly on the spring when nitrogen is needed.
 - Use in the Garden:
- Since it grows as a vining plant, it is suitable for climbing arches or planting along fences.
- It is primarily cultivated for ornamental purposes, and the roots are edible.
- Its beautiful leaf shape makes it suitable as a background plant in shady areas.
 - Important Pests and Control Methods:
- Be careful of pests such as aphids and scale insects.
- If pests appear, remove them by using insecticides or spraying with soapy water.
- Pests such as powdery mildew and leaf blight may occur, requiring periodic fungicide treatment.
- To prevent pests, it is recommended to change the planting location or plant it in a well-ventilated area.

We hope you can effectively manage and cultivate the green yam based on this information.

Plant Family	Magwa
Height	1.8~4.5m
Colors	yellow
Bloom Period	June~July
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-15°C

Round yam
Dioscorea bulbifera

Dokoroma
Dioscorea tokoro