Zhengzhou City, Zhengzhou City, seedling nursery stock market is a market no matter what type of project, the use of plants in garden design, the design must define their own purpose, then according to actual needs and conditions of a reasonable selection and organization of the required plants. Plants in garden design trade-offs to consider the following points: First, the preliminary design to consider the science of plants with different specifications. First, to establish the location of large and medium size trees, because the plant configuration, especially the configuration of large and medium size trees will be the overall structure of the landscape design and landscape effects have the greatest impact. Dwarf plants than large plants only in the structure posed to play a more personalized fine decorative effect. Zhengzhou City, the second field nursery stock, garden design layout should focus on the rational combination of plant species. Selection of deciduous plants, they have first to consider the variables to make it through a reasonable mix of plant species produce unique effects. Selection of coniferous evergreen plants must adhere to the "matching species, local conditions," the principle of plant groups in different places in order to avoid fragmentation. In a garden design layout, deciduous plants and coniferous evergreen plants should be used, to maintain a certain proportion and balance between the proportion of the latter should be less than the former. Can also be an effective combination of the two plants, so that visually complement each other. Third, garden design layout, color factors to consider plants and foliage types. Foliage type can affect a relationship between the seasons of garden design, as well as ornamental and coordination. In garden design, plant configuration of color combinations with other ornamental phase-coordination, can play a prominent role in plant scale and form. Needed in dealing with the design of color should be green in the middle of the main, supplemented by other colors. The color scheme in the plant throughout the year, we should give more consideration to the color of plants in summer and winter, as the two seasons of the year take a longer time. If used in the layout of the green in summer plants as tone, then the brilliant colors for a layout to add vitality and excitement, but also to attract the viewers attention to the design of a key scene. Zhengzhou City, the fourth field nursery, landscape design should take into account the conditions of plant texture. In an ideal garden design, thick, medium coarse and fine small three different types of plants should be balanced with the use of proportional size. Texture conditions are not met, landscape design will look messy. Fifth, garden design layout to be a reasonable choice of plant species or its title. In the selection and arrangement of trees and shrubs, flowers, bamboo and other plants, should have a common type of plant, and its dominant number of advantages, garden design layout to ensure the unity.