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Ornus ash tree
Fraxinus ornus
Fraxinus ornus is a deciduous broad-leaved tree distributed in Northeast Asia, including Korea, China, and Japan. This tree grows up to 10 to 15 meters in height, and its leaves are typically pinnately compound, consisting of 5 to 9 leaflets. Growth CharacteristicsWhile it prefers sunlight, it also thrives in partial shade. It grows healthily in fertile, well-drained soil and is relatively resistant to cold and drought. Propagation MethodsIt is primarily propagated by seeds and cuttings. Seeds are harvested in the autumn, refrigerated during the winter, and sown in the spring. For cuttings, they are prepared as semi-hardened cuttings in the summer and planted in a growing medium mixed with sand and peat moss to encourage rooting. Cultivation Methods - Soil Preparation: Select well-draining soil. If necessary, mix in compost to enrich the soil. - Planting: Plant in early spring or late autumn. 3. Watering: Avoid overwatering to prevent the plant from becoming submerged due to disease, and water thoroughly during dry periods. - Fertilization: Apply slow-release fertilizer in spring and autumn. - Pruning: Remove unnecessary branches and branches affected by pests or diseases. Uses in the GardenIt is popular as a landscape tree, and its autumn foliage is particularly beautiful. It provides shade and helps purify the air. Important Pests and Control Methods - Diseases: Brown spot and powdery mildew may occur. Adequate ventilation is important to prevent this, and plant protection agents should be used if necessary. - Pests: Leaf rollers and wood borers may appear. Remove larvae immediately upon discovery and use insecticides. - Control Methods: Reduce pest density through periodic pruning and cleaning, and selectively apply chemical control as needed. In particular, it is important to take preventive measures before diseases spread. Ensure that the Ornus ash grows healthily through regular care and the creation of a suitable environment.
Plant Family
Oleaceae
Height
20m
Colors
white
Bloom Period
April to October
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-15°C
Blue ash tree
Fraxinus pennsylvanica
var.
lanceolata
European ash tree
Fraxinus excelsior