Japanese pepper tree can be planted 3 years after a small number of flowering and fruiting, 4-5 years after the successive increase, generally since the 10th year into a large number of fruiting period, the salient feature is that the fruit yield increased significantly, a single plant to produce 5-10 kg of pepper, dry fruit skin 1-2 kg. General fruiting period of 10-15 years, the longest up to 20 years.
Most parts of the country have production of hemp pepper. The place of origin is from the northeast in the north to Jiangsu in the south, and the vitality of the jatropha tree is also very tenacious, able to withstand a certain degree of barrenness and drought, and is more suitable for planting in the fields and wasteland.