Oga tree

Eleutherococcus sieboldianus

Eleutherococcus sieboldianus is a shrub commonly found in Korea, characterized by its ability to thrive in diverse environments.

Growth Characteristics- Growth Environment: It grows well in various light conditions ranging from partial shade to full sun and prefers well-drained soil.
- Size: It grows to a height of approximately 2 to 3 meters.
- Leaves and Flowers: The leaves are palmately compound, and small white or pale green flowers bloom in the summer.

Propagation Methods- Seed Propagation: Collect seeds in the autumn and sow them directly; they will germinate in the spring, although the germination rate may be somewhat low.
- Cuttings: In the summer, cut new branches to a length of 10 to 15 cm and root them in water or in a mixture of sand and perlite.

Cultivation Methods- Planting Time: It is best to plant in the spring or autumn.
- Potting Medium: Prepare a potting medium by mixing high-quality soil with a small amount of sand and compost. - Watering: Water thoroughly when the soil dries out, but be careful not to overwater.

Uses in the Garden- Screening Effect: Suitable for planting as a hedge or screen; due to its thorns, it can also be utilized for security purposes.
- Landscaping Value: It has high landscaping value as it provides continuous greenery with minimal leaf change throughout the four seasons.

Important Pests and Control Methods- Pests: Aphids and scale insects may occur; control them using plant protection agents upon early detection.
- Diseases: Mold may develop on the leaves; prevent this by ensuring good ventilation and adjusting watering schedules.
- Prevention: Prevent pests and diseases by regularly pruning to remove overcrowded branches and improve airflow.

With effective management and the creation of a suitable environment, the Acanthopanax can become a beautiful and useful plant in the garden.

Plant Type
Plant Family	Araliaceae
Height	2m
Spread
Colors	White, green
Bloom Period	July
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Cactus violaceum
Acanthocalycium violaceum

Jirisan Ogalpi
Eleutherococcus divaricatus var. chiisanensis