Can papaya trees fruit again after fruiting once. Papaya is a dicotyledonous, papaya family, papaya perennial woody plants, in 3-4 years after grafting can be fruit, fruiting period is in September to October each year, the next year can still grow fruit again, do not need to plant once a year. Properly maintained, papaya tree can live for hundreds of years, this plant is distributed in tropical and subtropical regions, like high temperature, humid growing environment, the optimal growth temperature of 26 ℃ -32 ℃, intolerant of cold, it is easy to be frostbitten. Papaya on the soil adaptability is still relatively strong, like loose, fertile, breathable sandy loam, usually watering can see dry and wet watering, but pay attention to the soil can not have stagnant water. In maintenance, generally to take the way of artificial pollination to help papaya pollination, pollination is not good if the fruit does not fall off on its own, the need for artificial fruit thinning. In addition, it is necessary to spray agents in a timely manner to prevent leaf spot, anthracnose and other diseases.