Onion is a perennial herb of Allium in Amaryllidaceae. Its upper part is onion leaves, and the lower part is white onion, which is the next variety of green onion. It is different from onion, onion and onion. The shape of aerial parts of Allium plants is very similar to that of Allium plants. Its leaves are cylindrical, the middle is hollow, and its onion is the main edible part.

The role of green onions

Onion is rich in nutrition, containing vitamins, trace elements and some minerals. They can improve the delicacy of vegetables in cooking, prevent diseases and regulate appetite. Eating green onions often can stimulate appetite, inhibit bacteria and sweat, and promote blood circulation.

Where green onions grow.

The suitable environment for the growth of green onions is as follows: 1. Climate: The living climate of scallion is -20-45, the suitable climate is 7-30, and the most suitable climate is 13-25. 2. Light: The response of green onions to light is neutral. Their growth needs a certain amount of light, but they are not resistant to strong light, so they should be shaded. 3. Soil: The soil with fertile and loose soil and strong drainage function is suitable for planting, and the pH value is 7-7.4. Onion grows all over China and is widely cultivated, and it is also cultivated all over the world. Suitable for land with flat terrain, deep and loose soil layer, fertile soil, convenient drainage and no onion and garlic crops for more than 3 years.

The appearance and pictures of green onions

Allium is a perennial herb, solitary. Its stems are cylindrical or ovoid, about 1cm thick, but some larger ones can reach 4.5cm. The stems are white, reddish brown, membranous and not easy to break, and the leaves are cylindrical, hollow and tapering to the top.