1, Beiai:
There is a saying in Li Shizhen's Compendium of Materia Medica: "Tang Yin is called Northern Ireland". Tang Yin's love for the sword is famous all over the world, named after Bian Que's tomb. Bian Que, a famous doctor, was killed by Li Yi, a doctor of Qin Dynasty, in Fudao, Tang Yin. Later people built a tomb and a temple for it. The land next to the tomb is planted with Ai Miao, who lived in the Song, Jin, Yuan, Ming and Qing Dynasties for many years and is called Ai Yuan.
2. Hai Ai:
Artemisia argyi is the Artemisia argyi in Ningbo, Zhejiang and its vicinity today. Su Song's Compendium of Materia Medica in the Song Dynasty recorded: "Artemisia argyi, ... can be seen everywhere today. It is better to restore Taoism and be enlightened." Siming, this is today's Ningbo area. "Compendium of Materia Medica" records: "Siming people call it Hai Ai".
3. mugwort leaves:
The Compendium of Materia Medica, which was finalized during Hongzhi's reign in Ming Dynasty, records: "There are fields everywhere today, ... authentic: qi zhou and Mingzhou." Qi zhou is today's Qichun in Hubei, and Mingzhou is today's Ningbo in Zhejiang and its vicinity. In Compendium of Materia Medica, Li Shizhen first put forward the name of "Artemisia argyi". The book wrote: "Since the beginning of the world, Zhou Qi's people have won, and filling with things is the most important thing in the world, which is called Ai Ai." From then on, Artemisia argyi became one of the famous Artemisia argyi in China.
4. Wan Ai:
Wan 'ai refers to wormwood growing in the Funiu Mountains, mainly located in Nanyang, Henan Province, which was called Wan in ancient times, so the wormwood in Nanyang is called Wan 'ai. The earliest written records about Nanyang wormwood can be traced back to the late Eastern Han Dynasty. Zhang Zhongjing's Treatise on Febrile Diseases is an epoch-making medical monograph in China.
Requirements for planting conditions of wormwood:
1, temperature condition:
Wormwood has good cold tolerance, and the demand for temperature is different in different seasons. The temperature can be kept at about 8 degrees Celsius in winter, and 15-25 degrees Celsius in other seasons. In the north, the weather is too cold in winter, so it is necessary to take some warm-keeping measures to ensure that it will not be frostbitten, such as moving indoors and covering it with film.
2, lighting conditions:
Artemisia argyi likes sunny environment, which is beneficial to the growth of Artemisia argyi. When the sun is too strong, mugwort plants are easy to get sunburned, so it should be shaded properly in summer.