25 ~ 45 cm caliber is better. Plum seedlings should be planted in flowerpots with ventilation, good water absorption and small holes at the bottom. General indoor or balcony display, the inner diameter is 25 ~ 45 cm, and the height is about 20 ~ 35 cm. This will not be too big, but also conducive to the growth of plum seedlings. Plum seedlings should be planted in a pot in li miao with strong plants, full buds and no pests and diseases.