Chrysanthemum is a perennial herb of Compositae, which has wild species in Guizhou, Jiangsu, Hunan and other places, and is now cultivated in a small amount all over the country.
It has a particularly rich chrysanthemum fragrance, unique flavor, slightly sweet, cool and refreshing, and it is cool to eat.
The stems and leaves of chrysanthemum are bitter, pungent and cool, and have the effects of clearing away heat and toxic materials, cooling blood and lowering blood pressure, and harmonizing the stomach and appetizing.
Chrysanthemum morifolium has developed root system, strong adaptability to soil, barren resistance, drought resistance, waterlogging avoidance, vigorous growth of deep soil layer, good drainage, fertile soil, high yield and good quality.
Chrysanthemum is cold-resistant and avoids high temperature. In the north of China, in winter, the overground part dies, and the perennial roots can be exposed for the winter, and the new buds germinate in the next spring.
In the south of China, the frost-free period is long, and it can be wintered in the open air.
Chrysanthemum seeds can germinate above 4℃, and the suitable temperature for seedling growth is 15 ~ 20℃. At 20℃, the quality of young stems and leaves is the best, and the adult plants can grow in high temperature season.
Chrysanthemum is a short-day plant, strong light and long sunshine are beneficial to the growth of stems and leaves, and the plant grows slowly under weak light; Short sunshine is beneficial to the formation and flowering of flower buds.