Ilex spinosa is an ornamental fruit tree with high ornamental value. Ilex spinosa is a natural variety of Ilex, with small yellow-green flowers and spherical drupes. It's green at first, and red when it matures in autumn. Full of fruitful branches and bright colors. Winter will not wither until next spring. After pruning and shaping, it can be made into big tree, spherical and tree-shaped bonsai, which is sought after by many flower lovers. How to raise potted thorn-free holly? Let's take a look at the cultivation method of potted thorn-free holly introduced by uncle gardener. 1. Growth habit: acidic and slightly alkaline soil with warm sunshine, good moisture and drainage, strong stress resistance and pruning resistance. It grows well at the temperature of -8- 10. Strong adaptability, most suitable for the growth of the Yangtze River basin, and resistant to pruning. 2. Pot soil: it is advisable to choose glazed pottery pot or purple sand pottery pot, with a pot diameter of 30~40 cm. Ilex cornuta likes fertile, well-drained slightly acidic soil or neutral soil, and grows poorly when planted in alkaline soil. Avoid waterlogging and drought. Potted soil should be loose, breathable, water-retaining, high in organic matter and fertilizer-retaining. It can be prepared with the ratio of garden soil: peat: sand =4:3:3. Appropriate amount of organic fertilizer and ferrous sulfate can be added to the nutrient soil. 3. Watering: It is advisable to keep the soil moist at ordinary times and water it once every 1~2 days in spring. Summer is the time when it grows vigorously, and it needs to be watered frequently, but it can be sprayed once a day to reduce evaporation and cool down. Ilex spinosa is afraid of stagnant water and tolerant to drought. In order to prevent the roots from rotting due to accumulated water, it is generally necessary to keep the basin soil moist without accumulated water; Reduce the watering amount in autumn, and water once every 1~2 days; The greenhouse overwinters and is watered once every seven days. 4. Fertilization: Generally, cake fertilizer is applied every two weeks in spring, topdressing once a month in autumn, no fertilization in summer and fertilization once in winter. Pot turning: Pot turning is usually done once every 2 to 3 years, usually in February to March in spring or when trees fall asleep. When turning the pot, you can trim off some old roots, apply sufficient base fertilizer, keep 1/2 old soil and start the pot again. 5. Pruning: thorn-free Ilex cornuta has strong germination ability and is very resistant to pruning. For landscape engineering, unnecessary clumps, sprouting branches and redundant buds can be cut off at ordinary times to maintain a certain tree shape. For the tree to be processed, you can keep some branches as needed to facilitate processing and modeling. 6. Pest control: sometimes it branches due to coal pollution caused by psyllids. When you see the harm of scale insects, you can spray lead arsenate. Uncle gardener reminded that Ilex stolonifera is shade-tolerant and should grow in a humid environment. In summer, it needs to be maintained under shade shed or forest shade, and it needs to overwinter in winter. Planting flowers, going to the gardener forum: bbs.huajiang.cc, singing and laughing all the way. How busy it is to grow flowers!