Yes... "Tongcai" is usually only available in the rainy season of May and June,

Picture reference: chiusang/vegetable/photo/p12_1

Water spinach (tongcai)

Water spinach is also called water spinach, water spinach or water spinach. Water spinach is the stem and leaves of water spinach, an annual herbaceous plant of the Convolvulaceae family. The stem is hollow and the leaves are alternate. It is sown and cultivated every spring. It blooms and produces seeds in summer. It likes to grow in wetlands or paddy fields. It is grown in paddy fields in the Pearl River Delta. The leaves are large and the stems are thick, so they are called water pods. Planted on dry land, the leaves are small and the stems are slender, they are called dry pods. It is cultivated in the Yangtze River Basin of China, and its roots are called water spinach roots and are used as medicinal materials.

Water spinach contains insulin-like ingredients, which can lower blood sugar in the human body and can be used for people with diabetes. It has also been confirmed that water spinach contains anti-animal toxins and can relieve snakebites. Folk farmers often suffer from When bitten by a poisonous snake, immediately mash the water spinach and squeeze the juice, mix with two tablespoons of white wine and take it orally. At the same time, apply the water spinach residue to the wound externally to avoid the risk of snake venom poisoning in the body.

Water spinach has a sweet taste and is cold in nature. Young leaves contain protein, carbohydrates, fat, calcium, phosphorus, iron, carotene, riboflavin, niacin, ascorbic acid, etc. The nutrient content and ingredients are more comprehensive than other vegetables. Its effects include cooling blood, detoxifying, promoting urination and reducing swelling. It can treat epistaxis, blood in the stool, swollen hemorrhoids, injuries from falls, insect bites and other symptoms.

Water spinach (tung choi) is most famous in Long Yuan in the New Territories. It is a green paddy field. Water spinach is grown in summer and cold-resistant watercress is planted in winter. The two seasons alternate. The winter solstice has passed, and water spinach is no longer in season!

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, Reference: chiusang/vegetable/vegetable_12,