The fruit of the greening papaya tree is not edible. There are two main reasons, one is the green with the papaya tree and bear fruit papaya tree is not the same species, the fruit of this papaya tree with bitter flavor, taste is not good. The second reason is that it is always in the middle of the green belt and absorbs too much exhaust fumes. If consumed, it may have a bad effect on the body. Tree-grown papaya is perfectly fine to eat, but it is best to eat papaya that is more ripe. Papaya belongs to the tropical fruit, in some areas of subtropical growth, its adult plant height ranging from 3 to 10 meters, most of the flowering period in April, to 9 ~ October fruit maturity, and the market papaya are picked earlier, and for the green color, that is, we are familiar with the green papaya.