elm tree

Kalopanax septemlobus

Kalopanax septemlobus is a deciduous broad-leaved tree commonly found in mountainous regions of Korea, possessing the following characteristics:

Growth Characteristics
- Growth Environment: It primarily grows in mountainous areas, prefers sunlight, and thrives in well-drained soil.
- Height and Crown: Mature trees grow to over 20 meters in height. The tree features a distinctive rosy trunk and a broad crown.
- Leaves: The leaves are large and palm-shaped, featuring seven serrated or rounded lobes, which gave the tree its name 'Septemlobus'.

Propagation Methods
- Seed Propagation: When the fruit ripens in the autumn, harvest it to separate the seeds. These seeds can be grown into sprouts after surviving the cold winter. Store the seeds and sow them in early spring.
- Cuttings: Take cuttings from branches in early spring or summer.

Cultivation Methods - Soil Preparation: Select well-drained soil. It is essential to mix in organic fertilizer. 2. Planting: When planting, dig a deep hole to allow the tree's roots to develop well.
 - Watering: Do not water when the soil is wet, but provide sufficient water during the growing season.
 - Fertilization: Apply fertilizer in spring and autumn to promote overall growth.

Uses in the Garden
- Decorative Value: It has high ornamental value due to its widely spreading crown and unique leaf shape.
- Screening Tree: Its wide growth characteristic can be utilized to provide a natural screening effect in the garden.

Important Pests and Control Methods
- Pests: Major pests include aphids and moths.
- Control: Control naturally using natural enemies or use plant-based insecticides.
- Diseases: Diseases such as fungal diseases may occur.
- Control: Keep wounds clean, remove rotten parts, and use fungicides if necessary.

Although the Japanese zelkova requires this care, it is a relatively easy tree to manage and can be effectively utilized in the garden. Maintain healthy growth through periodic observation and pest control at the appropriate time.

Plant Family	Araliaceae
Height	25m
Colors	yellow
Bloom Period	August
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-30°C

Calmia
Kalmia angustifolia

Narrow-leaved elm
Kalopanax septemlobus var. maximowiczii