The cold rice on the mountain is wild apples. Cold rice is a kind of wild fruit that grows in the mountains.

Wild apple, scientific name pyracantha. There are also different names such as Doujinliang, Yangzaizai, Hongzaizai, Yangzaizai, Lengfanzi, Papaya Seed, and Disaster Relief Grain. According to the old man, these fruits saved many old people's lives, so they were named Shuihongzi, Shuichazi and Shankui Nading. It is called "salad fruit" in Yunnan and "water clip" in Bazhong, Sichuan.

Now pyracantha fortuneana has been used as an ornamental bonsai.

Potted pyracantha fortunei can be used for indoor fruit viewing and bonsai making in winter. Ground planting should choose high-lying, dry and well-drained land. Plant it before germination in spring or at the end of autumn, and plant it in rainy season in south China.

Pyracantha fortuneana is a direct root system with few fibrous roots. In order to ensure a high survival rate, soil balls are generally used for planting. In order to reduce excessive consumption of nutrients on the ground, some branches should be cut off in combination with plastic surgery. After planting, water the soil 1 time, and then keep the soil moist until new buds sprout. In order to prevent the leaves from falling, shade or spray water properly.