Characteristics and Cultivation Management Techniques of Korean Boxwood

Zhang Liyuan Korean boxwood is native to Korea and was introduced to Liaoning as early as the 1930s and 1940s. After more than 60 years of artificial cultivation and natural acclimatization, its cold hardiness far exceeds that of the original species, making it suitable for planting in areas south of Changchun. At present, it is cultivated in all cities of Liaoning Province, with more cultivation in the Dandong area in recent years, and it is also cultivated in some areas of Jilin Province. This variety is an evergreen shrub, 1 to 2 m tall, with leathery leaves, leaf length 0.8 to 1.4 cm, width 0.4 to 0.8 cm, margins slightly revolute, and lateral veins on the surface not very obvious. The inflorescences are axillary, the flowers are dense and pale yellow, and the capsules are nearly spherical. The flowering period is April, and the fruiting period is July to August. In areas south of Shenyang, the leaves are green in all four seasons; in areas north of Shenyang, the leaf color in winter is a mix of green and brown, while in spring, summer, and autumn it is fresh green, very beautiful. This variety likes light and tolerates slight shade. It has a shallow root system with well-developed fibrous roots and can be transplanted throughout the growing season. It prefers a warm climate and moist, fertile soil. It can withstand low temperatures of -35 degrees, grows slowly, has strong sprouting ability, and tolerates pruning. It is mostly used for hedges, clump planting, and ball-shaped planting. It is generally propagated by sowing; seeds can be collected once mature and sown immediately after collection. It can also be propagated by cuttings, which can grow 12 to 20 cm in the same year.