Seedlings of black pine is in fact a black pine seedlings, industry, referred to as the black pine seedlings. Genus Pinaceae Pinus. Evergreen tree, bark gray-black, scaly to cracking; winter buds cylindrical, silvery white. Leaves needle-shaped, two-pin bouquet of stiff, dark green, 6 to 12 cm long, leaf sheath persistent. The branches cross exhibition, Shuzi quaint. Major cultivars. Trichinella black pine, foliage spiral distortions. 2. Weeping pine, branches drooping. 3. Gold leaf black pine, also known as loose mosaic. Yellow leaves below the middle near base some. 4. Leaf pine, two leaves tied together, the outside leaf introverted furrow embedded leaf, without fine resolution, like a leaf. Japanese black pine is native to Japan. General introduction and cultivation of Shandong, Jiangsu, Anhui, Zhejiang and other provinces. Vertical distribution at an altitude of 600 meters below the barren hills, wasteland, flood, Coast could grow. Hi light, suitable for warm and humid maritime climate, resistant to dry and barren, but not water floods; addition to the re-alkali soil, neutral soil, calcareous soil, slightly acidic soil can adapt. Developed root cultivated high survival rate, childhood growth robust, adaptable, and have a certain resistance to dust and smoke pollution. Black pine is a good material for the production of coniferous bonsai, often with plum, bamboo planted in, composed of the three friends of winter bonsai; such as attached to the rocks, a turquoise bonsai. Pinus thunbergii commonly used for the five-needle pine grafting propagation of rootstocks.