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Jeongneung oak
Quercus acutissima
× Q. variabili
Characteristics and Care Methods of Quercus acutissima × variabilis #Growth Characteristics Quercus acutissima × variabilis is a hybrid of two oak species: Quercus acutissima and Quercus variabilis, boasting strong vitality. This tree grows to a height of approximately 15 to 25 meters and forms a rounded crown. Its leaves possess a form intermediate between those of Quercus acutissima and Quercus variabilis, turning a beautiful golden color in autumn. #Propagation Methods Generally, this tree propagates by seeds. Acorns harvested in autumn can be sown in early spring or stored in the refrigerator and sown indoors in late winter. It is recommended to soak the seeds in water beforehand to increase the germination rate. #Cultivation Methods - Soil: It prefers well-drained, moderately moist soil. A pH between neutral and slightly acidic is suitable. - Sunlight: It grows best with plenty of sunlight. At least 6 hours of direct sunlight per day is recommended. - Watering: While it requires ample water during the early growth stage, it is relatively drought-tolerant once it becomes a mature tree. - Fertilizer: Applying slow-release fertilizer every spring can promote growth. #Uses in the Garden Oak Bariabilis is highly popular for gardens as it provides shade and displays beautiful color changes in the autumn. It also provides an important habitat for wildlife. It is suitable for residential gardens and parks where large timber is not required. #Important Pests and Control Methods - Diseases: Leaf blight, mosaic virus, etc. - Prevention: Select healthy trees and avoid excessive watering and fertilizer use. - Control: If disease is detected, it is effective to immediately remove the affected parts and use fungicides. - Pests: Leaf beetles, aphids - Prevention: It is recommended to manage the condition naturally using natural predators or to minimize damage in the early stages of infestation. - Pest Control: Using eco-friendly insecticides or direct methods such as washing with soapy water are effective. This hybrid is relatively easy to manage, but it can be grown healthier and more beautiful through proper environmental management and preventive measures.
Plant Type
Plant Family
Oak family
Height
25m
Spread
1m
Colors
yellow
Bloom Period
May
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-20°C
Borealis oak
Quercus borealia
Virginia oak
Quercus virginiana