Yushu flower (scientific name: Crassulaarborescens), also known as Yushu, Swallow's paw, Sedum arvense and Douban's paw, is a succulent subshrub of Bermudagrass of Sedum. The height of Yushu factory is1-3m. The stems are fleshy, stout, with gray dry skin, light color, many branches, and dark brown-green branchlets. The leaves are fleshy, ovoid and grayish green. Flowers in late spring and early summer, white or pale pink. Small leaves, like warm, dry and sunny environment. Not cold-resistant, afraid of strong light, slightly resistant to shade. The soil is fertile sandy loam with good drainage. The temperature is not lower than 7 degrees in winter. Originated in South Africa. The flowering of Yushu is often regarded as a symbol of good luck. The propagation, cultivation and propagation of Yushu are mainly based on cutting propagation of old leaves and twigs, which can be carried out from early spring to late autumn. Jade tree flower, fleshy semi-shrub. The plant height is 1-3m. The stems are fleshy, stout, with gray dry skin, light color, many branches, and dark brown-green branchlets. The leaves are fleshy, ovoid, about 4 cm long and 3 cm wide. The leaves are gray-green, with a blush on the edge. Flowering in late spring and early summer, tubular flowers are 2 cm in diameter, white or pale pink.