Second, in the remote areas of the garden, or the newly opened green areas, in accordance with its fertility factors and greening requirements, input costs considerations, give priority to appropriate seeding, and can be sowing a year, many years of viewing effects such as " High and low combination ", that is, one year sowing 3-5 years no longer sowing and continue to watch, in the South four seasons have flowers, the three different seasons in the north of different colors. Or choose large flowering perennial varieties of perennial, its priority recommended purple pine chrysanthemum, golden chrysanthemum, hen chrysanthemum, thousands of vegetables, snake whisper and so on.
Third, in the fixed area, that is, the annual planting is difficult, or there is not suitable for annual planting of green areas, such as national cable, monuments, etc., you can choose early flowers, or summer flowers varieties, but after the flowers, Keep the evergreen, or stubble after the leaves very ornamental effect of the perennial varieties. Such as funnel vegetables, blue flower flax, sage (many varieties, some not suitable) and so on