I, asparagus origin 1, the main places of origin are China, Peru, Germany, France, Spain, the United States, Japan, etc., of which China is the largest producer of asparagus.

2, China's main production areas in Jiangsu Xuzhou, Shandong Heze, Chongming Island, etc., of which Shandong Heze is the most important production base, known as the home of asparagus.

Second, the growing environment 1, asparagus is very adaptable, cold and heat, suitable for growing in the four seasons, the climate is suitable for temperate cultivation, the optimal temperature of 25-30 ℃.

2, the soil acidity and alkalinity adaptability, the optimal pH6-6.7, drought-resistant but intolerant of waterlogging, in the soil fertile and loose, deep, fertilizer and water retention, permeability of the soil in the growth of the better.

Three, the value of the role of 1, asparagus taste sweet, cold, with the role of the body, cough, clearing heat, diuretic.

2, asparagus is rich in vitamin B vitamin A, selenium, amino acids, iron, manganese, zinc and other trace elements beneficial to the human body.