After the frost festival, the outside weather is getting colder and colder. The vegetables sown in summer are about to be planted in the garden. Peppers and tomatoes are crooked by the frost. Only Chinese cabbage grows in spite of the frost, especially in the cold winter. , green vegetables have become a luxury. Every year in winter and spring, the price of green vegetables will soar. Today we recommend four cold-resistant vegetables. Find seeds of each now and you can eat them until spring.

1. Shepherd's purse

Shepherd's purse is an annual or biennial herb, also known as field cabbage, cabbage, and water chestnut. The whole plant has young leaves and is rich in nutrients. It is a favorite of people. A kind of wild vegetable, the folk name is "March 3 Shepherd's Purse Sailing Pill", which shows that it is a seasonal wild vegetable used both for medicine and food. Since there are very few wild shepherd's purses, it can now be cultivated artificially to satisfy the appetite. In the twelfth lunar month of winter, shepherd's purse can be used to make dumplings, steamed buns, and wonton fillings. It tastes tender and refreshing, and has a fragrant aroma.

Shepherd's purse likes cold and moist weather, and its optimum growth temperature is between 12 and 20 degrees, and it is cold-tolerant. It is very strong and can survive frost damage even at -5 degrees Celsius. However, it will vernalize, bolt and bloom at 5 degrees Celsius, so it is more suitable for sowing after frost. Choose a fertile and soft field, harrow it carefully, and apply enough decomposed organic matter before sowing. Fertilizer, compacted after spreading, facilitates seed germination, and management is very simple.

2. Spinach

Spinach is also called Persian, red root, and parrot. It is a highly nutritious leaf of Chenopodiaceae. One of the vegetables, it is rich in various vitamins and minerals. "Compendium of Materia Medica" says that it "opens blood vessels, opens the chest and diaphragm, lowers the Qi and regulates the middle, relieves cough and moisturizes dryness", which shows that spinach is also a vegetable with medicinal effects. It tastes tender and refreshing, and is very appetizing.

Spinach is a vegetable that likes a cool environment. The most suitable growth temperature is 25°C. It can grow normally even at 6°C, but it cannot be left in the environment for a long time. Below 0℃, otherwise there is the possibility of damage. At this time, it is generally covered with plastic film or straw. Spinach has a strong demand for nitrogen, phosphorus and potassium fertilizers. When applying organic fertilizer before sowing, be sure to add nitrogen, phosphorus and potassium compound fertilizer, and choose loose and fertile soil. To retain water and fertilizer in the field, rake it finely, level it, and spread it. It is best to cover the surface of the seed with a thin layer of soil. During the emergence period, the field must be kept moist. Generally, it can be harvested and eaten in 3-40 days.

White cabbage, also known as black cabbage, flat cabbage, and flat cabbage, is a biennial herb and a type of cabbage. The difference is that the plant is short and the leaves are oval. , dark green, growing almost close to the ground, but the leaves are fat and tender, and can be fried, made into soups, and served cold. It tastes delicious and nutritious. The black and white vegetables that have experienced frost will make the taste more crispy and are a must-have in winter. An indispensable seasonal vegetable.

White cabbage likes a cool environment and moisture but is not tolerant of waterlogging. It can still grow normally at 4 to 8 degrees. The suitable growth temperature is 20 to 25 degrees. The seeds are grown at 15 degrees Celsius. It can germinate in one day, and it especially likes light. Rain and weak light can easily cause leggy growth and reduced quality. Generally, the seedlings are transplanted. The soil should be prepared and fertilized before sowing, and deeply plowed and leveled. Transplanting can be done when there are 4-5 leaves after the seedlings emerge. It can be picked and eaten in 45 days.

4. Chrysanthemum chrysanthemi.

Chrysanthemum chrysanthemum is also known as chrysanthemum chrysanthemum. It has long oval leaves, light green young stems and a delicate fragrance. It is an annual or biennial herbaceous plant. Its stems and leaves are edible when they are young and can also be used as medicine. The seedlings or young stems and leaves can be used for stir-frying, cold dressing, making soup, etc. It is an excellent ingredient for hot pot in winter and is very rare.

Chrysanthemum chrysanthemum is a cold-tolerant vegetable that cannot withstand high temperatures. The optimal growth temperature is about 20°C. It likes weak light and does not require strict fertilizer and water conditions. Before sowing, choose loose and fertile soil, plow the entire border deeply, and apply enough fertilizer. After applying the base fertilizer, just spread the seeds. Use 200 grams of seeds per plot and it will be ready to eat in about 50 days.

To sum up, after the frost solar term, the weather becomes colder, and green vegetables gradually become the favorite of the public. Especially around the Spring Festival, they are more expensive in Luoyang. Nowadays, four cold-resistant vegetables such as shepherd's purse, spinach, black cabbage and chrysanthemum are now available. Plant it and you can eat it until spring!