Angelica sinensis growing conditions determine survival rate and medicinal herb quality

Angelica sinensis (dong quai) is a perennial herb in the Apiaceae family, and its dried root is used as medicine; it is cultivated fairly widely in Gansu, Yunnan, Sichuan and other parts of China. It prefers a cool, moist climate and is afraid of high temperatures and long periods of direct intense sunlight, so it is mostly found in high-altitude cool mountain areas. Understanding its growth habits before planting is the foundation for obtaining high-quality medicinal material.

In terms of temperature, Angelica sinensis is suited to growing in a cool environment with a relatively low annual average temperature; both the seedling stage and the mature plant stage must avoid high temperatures, and hot low-altitude areas in summer are often unsuitable for its normal growth and seed production. As for water, it likes moisture but is afraid of waterlogging; during the growing period it needs sufficient rainfall or irrigation, and once the rainy season arrives, drainage must be done promptly to prevent root rot.

The soil requirement is a sandy loam with deep, loose, fertile soil and good drainage, preferably slightly acidic to neutral. When choosing a site, avoid low-lying, heavy clay plots that easily accumulate water, and it should not be continuously cropped; reasonable crop rotation can reduce soil-borne diseases and lower the probability of diseases such as rust and sclerotinia.

As for light, Angelica sinensis needs fairly abundant light for growth, but during the seedling stage it should be appropriately shaded to avoid scorching the young seedlings. In addition, improper control of growing conditions can easily cause premature bolting, affecting root yield, so seedling age, water and fertilizer, and temperature management must all be handled well. Overall, a cool, moist mountain environment with fertile, well-drained soil best meets the growing requirements of Angelica sinensis.