The biological characteristics of Portulaca oleracea, also known as Ginkgo biloba, lobular glass green, Portulaceae Portulaca perennial succulent shrub. The tender stems are green, the old stems are light brown, rose red in the sun, the internodes are obvious, and the branches are nearly horizontal. The leaves are opposite, fleshy, obovate-triangular, truncated, wedge-shaped at the base, length 1.2 cm, width 1 cm and thickness 0.2 cm. The leaves are smooth, bright and shiny. Small flowers are pale pink. Habits are native to the arid areas of South Africa. Like warm, dry, sunny environment, semi-shade-tolerant, grow well in scattered light, drought-tolerant, and require sandy loam with good drainage. Not cold-resistant, the winter temperature is not lower than 10℃. Garden uses are mainly leaf viewing, which can be planted in hanging pots, and it is also a good material habit for making bonsai: it is native to arid areas of South Africa. Like warm, dry, sunny environment, semi-shade-tolerant, grow well in scattered light, drought-tolerant, and require sandy loam with good drainage. Not cold-resistant, the winter temperature is not lower than 10℃. Propagation mainly adopts cutting propagation. It can be carried out in the growing period, and thick, full and short internodes are selected as cuttings with the length of 10- 12 cm. You can dry it for a few days before planting and plant it in a sand bed. When the soil is slightly dry, it can take root in about 15-20 days, and it is very easy to survive. The top tree of potted Portulaca oleracea grows fast and its stems are irregularly branched. Although the stem grows vigorously in semi-shade, it is easy to grow in white. In order to keep the beautiful plant shape, it needs constant pruning and shaping during the growth process. Fertilize 1 time every month during the growth period. In the hot summer season, the plants are in a semi-dormant state, and watering is controlled to keep the basin soil slightly dry. In winter, put it in front of the indoor window for maintenance. Pests and diseases sometimes cause anthracnose damage. Spray 50% thiophanate-methyl wettable powder 1500 times solution. Pests are harmed by whiteflies and scale insects, and 50% chlorpyrifos EC 1000 times is sprayed. The application of Portulaca oleracea can grow into a succulent shrub up to 4 meters in the country of origin. Prune potted plants and strictly control the height. The old stems are light brown, and the fleshy leaves are very similar to purslane. The stems are tender and green, and there are many fleshy branches, giving people a feeling of vigor and simplicity.