Black birch

Betula nigra

Growth Characteristics: The black birch (or Japanese birch) is a deciduous tree native to North America that thrives primarily in moist soil. It grows most ideally in fertile, well-drained soil and reaches a height of approximately 10 to 20 meters upon maturity. It is salt-tolerant and drought-tolerant, allowing it to adapt well to urban environments.

Propagation Methods: It can generally be propagated by seeds and cuttings. It is best to collect seeds in the fall and sow them in the spring, while cuttings are taken by cutting branches in the summer.

Cultivation Methods: Plant in a location with ample sunlight, and provide sufficient water during the initial stages. Once mature, the tree can tolerate relatively dry environments. Neutral to slightly acidic soil pH conditions are suitable.

Uses in Gardens: The black birch is widely used as a garden tree due to its beautiful bark and excellent leaf shape. It is also suitable as a plant for wetland areas and is used in parks and large-scale landscape design.

Garden Uses: Major Pests and Diseases and Control Methods: Occasionally, damage may occur due to leaf blight, leaf beetles, or birch borers. Leaf blight can be controlled using appropriate fungicides such as Bordeaux mixtures, while beetles can be eliminated using suitable insecticides. As a preventive measure, it is recommended to suppress the occurrence of pests by maintaining proper spacing between trees and ensuring ventilation.

Plant Type
Plant Family	Betula family
Height	12~25m
Spread	12~18m
Colors	green
Bloom Period	March to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Black birch 'Heritage'
Betula nigra 'Heritage'

Japanese zelkova
Betula lenta