There are many types of loofah, and there are 7 common ones, namely: meat loofah, snake loofah, ribbed loofah, Taiwan loofah, white jade loofah, white jade fragrant loofah, and green loofah. The first white jade loofah. Take Roussian melon as an example. Its characteristics are that the fruit is long cylindrical, with thin skin and thick flesh. It takes a long time to bear fruit and has a large number of fruits. One plant can bear dozens of fruits. However, the flesh after the beginning of autumn may turn black after being cooked. Phenomenon, the taste is slightly bitter after applying too much nitrogen fertilizer.