It is great to plant some plants next to vegetables that can promote each other's growth. These plants are called companion plants. In the folk, they will plant vegetables next to corn, beans and pumpkins, which can promote each other's growth, get a better harvest and reduce pests and diseases. By planting some companion plants together, we can survive and help each other. Some accompanying plants can avoid pests, provide shade for other plants and even add nutrients to the soil.