Ornamental lawn: it is a form of lawn laying. It is usually set on the lawn with perennial and ornamental ground cover plants in the middle. If daffodils, irises, Lycoris radiata, leeks, lettuce and other herbs and bulbous ground cover plants are naturally planted on the lawn, the planting amount of these perennial flowers generally does not exceed 1/3 of the total area of the lawn, and they are densely distributed and naturally staggered, which makes the lawn bright in green and interesting among the flowers and grasses.

Artificial turf was born in the United States in the 1960s. It is a quasi-lawn made of inanimate plastic chemical fiber products by artificial methods. Different from the natural lawn, it does not need to consume fertilizer, water and other resources necessary for growth, can meet the needs of 24-hour high-intensity exercise, has simple maintenance, rapid drainage and excellent site flatness. At present, artificial turf has been widely used as a special field for hockey, baseball and rugby, a public driving range for football, tennis and golf, or as a ground pavement to beautify the indoor environment.

/kloc-in the middle of the 0/8th century, a large area of lawns appeared in British natural landscape gardens. Artificial turf was first introduced to China in the late 1980s, and it was not widely popularized until the middle and late 1990s.

Liu Yuanru's poem "Miscellanies of Spring Pastoral": "The lawn is idle, and the flowing water flies to the egrets."

Ba Jin's Autumn II: "Shuhua turned blue with anger, and Shu Zhen almost cried. They all ignored him and went to the lawn. "

Zoysia japonica:

1. Zoysia: also known as tiger skin and Zoysia. Mainly distributed in warm areas of China, Korea and Japan. Zoysia japonica has tough underground rhizomes and overground stolons, with adventitious roots, curly young leaves and mature leathery leaves on the stem nodes. Seeds are easy to fall off when they mature, and the outer layer is protected by wax, so it is not easy to germinate. Before sowing, the seeds should be treated to improve the germination rate. Zoysia japonica is a kind of warm-season lawn grass with strong adaptability, light-loving, drought-resistant, high-temperature resistant and barren-resistant. It can safely overwinter at about -20℃, with the highest growth rate at 20~25℃, weakened growth rate at 30~32℃, and slowed down or stopped growth above 36℃, but the phenomenon of withering rarely occurs in summer, and it can enter withering dormancy when high temperature drying lasts for a long time in autumn.

2. Zoysia tenuifolia: Zoysia tenuifolia, also known as Velvet Grass and Taiwan Province Grass. Mainly distributed in Japan and southern Korea. Zoysia tenuifolia is one of the three species with the finest leaf texture, but it is not cold-tolerant, mainly distributed in tropical and subtropical environments.