Can't live. According to official website, a farmer who studies everyday, before planting, it is necessary to soak the seeds of creamy Chinese cabbage in warm water for 10 to 20 minutes, and then soak them in water at room temperature for 6 to 8 hours. After soaking, take out the seeds and put them in a ventilated place to dry. After the seeds have no moisture on the surface, they can be planted, and they can't live if they are soaked and floated on the water.