1. Colour

The surface of vegetables is green, which is cold vegetables. If the skin of vegetables is red, it is hot vegetables. Cold vegetables are generally green plants. They are close to the ground and absorb the moisture on the ground, so they are cold. Although hot vegetables are close to the ground, they can absorb more sunlight, so they are partial to heat

2. Taste

Bitter and sour are cold vegetables, sweet and spicy are hot vegetables. Vegetables with bitter and sour taste are cold in nature, such as papaya and balsam pear. These vegetables have little sugar due to less sunlight. Vegetables exposed to sunlight for a long time are hot vegetables, such as pomegranates and persimmons

3. Habits

Vegetables grown in water are cold vegetables, and vegetables grown on land are hot vegetables. Kelp and laver grown in the sea are cold vegetables, while vegetables grown on land, such as potatoes and ginger, often absorb less water in the underground soil, so they are hot vegetables

4. Season

Winter and summer food is cold vegetables, while spring and autumn food is hot vegetables. Because the plants grown in winter suffer from severe cold, they are cold vegetables, while the vegetables grown in summer are also cold vegetables because they receive sufficient rain in summer. Vegetables grown in dry spring and autumn are hot vegetables