Common plum species are generally divided into three categories according to their branches: straight branches (straight branches), drooping branches (drooping branches) and longyou branches (twisted branches). Characteristics of plum blossom: 1. Plum blossom is a positive tree species, which grows well in sunny and well-ventilated environment, but it can also be planted in tuyere. 2. I like the warm climate, but I am also cold-tolerant, but I can't stand the extreme low temperature of-15 ~-20℃; It is sensitive to temperature. Generally, flowers can bloom when the temperature reaches 6 ~ 7℃, and it is easy to bloom ahead of time after the initial warming. 3. Plum blossoms like high air humidity during the growth period, and avoid heavy rain during the flowering period. 4. Plum blossoms have certain drought resistance, but they are afraid of waterlogging. 5. Plum blossoms are not strict with soil and are barren. Generally speaking, clay loam or loam is suitable. The pH value of soil is neutral to slightly acidic, but alkaline soil can also grow. The hometown of Meihua is in China. Plum blossom is the first of the top ten famous flowers. Plum pits were found in pottery unearthed from Yangshao culture in Yinxu, Henan. Mei was recorded as early as in The Book of Songs. All the above data can prove that plum blossom has been planted in China for 4,000 years, and it was first born in Yunnan, Guizhou and Sichuan provinces of China. Later, the gods Beijing and Tianjin were introduced. Song dynasty, Japan. During the Sui and Tang Dynasties, plum cultivation and Yongmei were very popular. Mei Pu is a world plum blossom monograph written by Fan Chengda, a writer and horticulturist in Song Dynasty. Song Dynasty poet once wrote a poem for Mei: "A flower suddenly changes and a hundred flowers blossom. I want to spread the news of spring, not afraid of being buried by snow. " Yes, flowers wither in the severe winter, only plum blossoms are cold and compete with snow for white. It is said that Xun Mei is walking in the snow. There are many kinds of plum blossoms, including purple plum, red plum, Bai Mei, Jiang Mei, heavy leaf plum, potted plum, tall plum and so on. There are many plum blossom resorts in China: Meihua Mountain in Nanjing, Meiyuan Mountain in Wuxi, and Meiling Mountain in East Lake of Shili Meihaichang; The lonely mountain plum in Hangzhou West Lake and so on. There is a poem to prove it: "among the merlin trees, the flowers are as white as snow, overflowing with fragrance and attacking people, and the love flowers are close at hand." Plum blossoms have the longest life span among flowers. There is a plum tree in Congress Temple in Tiantai Mountain, Zhejiang Province, which was planted and blossomed in Sui Dynasty. It is called Liang Meiwei and has a history of 1300 years. In Huangmei County, Hubei Province, there is a plum tree, which is more than 300 years older than Suimei and is known as the king of plum trees. Beautiful, plum blossom in Gu Mei, China is the oldest woody flower among the traditional famous flowers in China, and there are many Gu Mei in China, which is the historical witness of the splendid culture of the motherland. There is a Gu Mei tree in Jinmei "Jiangxin Ancient Temple" in Caishan, Huangmei County, Hubei Province. The branch on the left has rotted, and the right has replaced the trunk to form a crown. So far, Gu Mei is vigorous and beautiful, and her career is full. According to Huangmei County Records, Jin Mei 1600 years old has been growing since then, and once opened Bai Meihua.