Where is the pine nut tree suitable for planting?

The ancestors of pine nut trees multiplied in the vast mountainous areas in the northeast and east of China. They are cold-resistant and light-loving, and like to grow on gentle slopes with moderate soil moisture or flat land with good drainage. Pine nut tree belongs to gymnosperms-conifers-conifers-Pinaceae-Pinus, distributed in China, Russian, Japanese and parts of North Korea. It is a national second-class protected wild plant. In China, it is mainly distributed from Changbai Mountain to Xiaoxing 'anling in the northeast.