Whenever the autumn wind is bleak and the flowers are dying, only chrysanthemums stand in Ao Shuang, full of flowers and colorful, which adds endless interest to nature and people's lives. The ancient poem "Cold Chrysanthemum" once praised: "It is this flower that lasts until the last autumn".
Chrysanthemum has been cultivated for more than 3000 years, and now there are more than 3000 varieties of chrysanthemum. Chrysanthemum not only has high ornamental value, but also can be used as medicine. The Eastern Han Dynasty's "Custom Pass" said: "You can live long if you are thirsty for chrysanthemum juice." It is said that since the Western Han Dynasty, the palace has had the habit of drinking chrysanthemum wine on the Double Ninth Festival. China's famous pharmaceutical work "Shen Nong Ben Cao Jing" listed chrysanthemum as the top-grade medicinal material: "Chrysanthemum tastes bitter and flat, with dizziness, swelling and pain, eye pain, eyes want to take off, tears want to come out ... Long-term service for benefiting qi, keeping people healthy and resisting aging."
Lovely chrysanthemum, not afraid of smoke and dust, has a certain ability to swallow harmful gases such as sulfur dioxide. Especially white chamomile, even in the air environment with high concentration of sulfur dioxide, can still flourish and compete for beauty.
Chrysanthemum is tenacious, likes sunshine, moist and well-drained neutral soil, and is easy to breed. Cutting is the main cultivation method. With the growth of potted chrysanthemum, the amount of water gradually increases, but it is necessary to prevent water from accumulating in the pot. In order to promote the formation of flower buds, fully decomposed manure can be applied in autumn. Chrysanthemum is a flower with short sunshine, and it can bloom in advance or delay by adjusting the light.
Because chrysanthemum is elegant and bright, it has won the attention of many celebrities in ancient and modern times. They used chrysanthemum words to recite poems and paint pictures, leaving many excellent works. Du Fu, a great poet in the Tang Dynasty, once lamented that he was "crying from the chrysanthemum and leaving home alone" and expressed his concern for the country and the people. Marshal Chen Yi said in "Miscellaneous Odes on a Winter Night": "Autumn chrysanthemum can help Ao Shuang, and wind and frost are evil. This performance is cold-resistant, and the wind and frost are helpless. " Singing a song for chrysanthemum symbolizes the loyalty of the Chinese nation, and it is vividly portrayed between the lines.