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alder tree
Juglans cordiformis
Juglans cordiformis is a deciduous tree belonging to the oak family (Fagaceae) that grows naturally primarily in East Asia. This tree possesses the following growth characteristics, propagation methods, cultivation methods, garden uses, and important pests and diseases, as well as control methods. Growth Characteristics - Height and Crown: It typically grows to about 10–20 meters and forms a wide, elliptical crown. - Leaves: It has pinnately compound leaves characterized by pointed tips and long petioles. - Flowering and Fruiting: It flowers in the spring and bears fruit in early autumn. The fruit has a thick, heart-shaped shell and contains a nut inside. Propagation Methods - Seed Propagation: Seeds are collected from mature fruit harvested in the autumn. It is best to sow them in the spring after cold treatment during the winter. - Grafting and Cuttings: Grafting and cuttings are also possible, but seed propagation is generally easier and more commonly used. Cultivation Methods - Soil: It thrives in well-drained clay loam. However, fertile clay loam is also suitable. - Sunlight: It grows better in full sun than in partial shade. - Water Management: Adequate water supply is important during the early stages of cultivation, but once well-established, it can tolerate relatively dry conditions. Uses in Gardens - Landscape Tree: Suitable as a garden tree as it can provide shade. - Aesthetic Value of Leaves and Fruit: It is used as a decorative element in gardens due to its beautiful leaves and uniquely shaped fruit. Major Pests and Diseases and Control Methods - Diseases: Black spot disease or leaf blight, mainly caused by fungi, may occur. To prevent this, regular pruning and ensuring good ventilation are important. - Pests: Aphids and moth larvae are major pests; control them using appropriate insecticides if necessary. - Prevention: It is important to grow healthy trees by spraying pesticides at the appropriate time and managing the growing environment. Based on this information, you can properly care for and utilize the Korean ash (Jagnus cordiformis) in your garden.
Plant Family
Juglandaceae
Height
20m
Colors
red
Bloom Period
May
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-40°C
Walnut tree
Juglans regia
black walnut tree
Juglans nigra