First of all, although there are few wild vegetables, apart from rural areas, cities are estimated to have little contact with them, and they have never even heard of them or seen them. There must be some doubts and even fear of eating. Quma Cai, which germinates the earliest every spring, has the function of clearing away heat and toxic materials. If it is planted in the courtyard or flowerpot, it is practical and has high fertility, and it can also grow in a warm and sunny place in winter.
People in rural areas like it very much and taste different, but they are all delicious wild vegetables, which are both medicinal and delicious. Why don't farmers plant it? Because it's all over the ground and they can't eat it. This potherb is shovel-grown. In the three seasons from spring to autumn, as long as they come out of the soil because of the countryside, they will go to the mountains to pick wild vegetables when they want to eat them. This is completely unnecessary. The countryside is used to feed pigs and pick as much as you eat. Although many wild vegetables are rich in nutrition, most of them can't be eaten, and some wild vegetables can cause discomfort. Taboos about some wild vegetables are described in materia medica, so it makes sense why our ancestors didn't grow wild vegetables.
Pure natural wild vegetables are called no fertilizer and no pesticides. Although people's living standards have improved, they don't eat wild vegetables every day. Things are rare, and it is delicious to eat wild vegetables occasionally, especially natural wild vegetables. Growing in the natural environment. Which belong to real green food. There is no pollution from pesticides and fertilizers. But some varieties are limited by seasons. The taste will change. The most important thing is to grow good wild vegetables.