| As the largest Greenfield in the urban area of Nanning, Mountain Qingxiu is honred with’Emerald in the Green Town’ and the’urban green lung’. Mountain Qingxiu owns abundant plant resources with rare plant species of south subtropical, enjoys high reputation in domestic. In order to build a elite botanic park with unique peculiarity, Orchid Garden was proposed, aiming at creating a large-scale south subtropical grand view garden with rich plants and science popularization, as to the conservation of orchid species, orchid exhibition and landscape quality promotion, which has great significance.Referring to documents from home and abroad, and based on the orchid plant resource research in Guangxi, analyzed the protogenesis orchid plant in Guangxi and breeds after introduction and domestication, and summarized and categorized from the aspects of ornamental, florescence, landscaping, and arrangement of plants, and then applies the refined ideas and methods to the orchid garden design in Mountain Qingxiu, Nanning. Here are the results:(1)There are 139 native orchids in Guangxi, making up 36% of the total orchid breeds in Guangxi, and 63 exotic orchid breeds grows well in Guangxi, which make up 16% of the total orchid breeds in Guangxi; among the researched breeds, terrestrial orchids, epiphytic orchids and saprophytic orchids separately make up 62.4%, 36.1%,1.5%. They mainly grow in the thick woods, beside valleys, on rocks and tree trunks.(2) Orchids has 8 color types according to their flower color:white, red, pink, yellow, blue, purple, green and compound color; can be classified according to their fragrance into faint scent, thick scent and light scent, separately making up 1%,1.5% and 4.5%; according to their plant types, orchid can be classified into 3 types:tall, medium and short. Most of the orchid breeds’flowering period concentrate between March and August, few between September and November and some rarely between December and March of next year.(3)The means of landcasping is concluded, namely ground-living orchid used as flower border and flower belt with group planting and bunch planting, epiphytic orchid with trunk commensalism, bonsai, landscape sketches, waterscape, containers and hangings. The allocation of orchid breeds with orchids and other plants needs to take plant shape, color, space into consideration, in addition, the use of color, flowering period and frgrance also need to be considered.(4)According to the basic landform of the orchid garden in Mountain Qingxiu, the landscape design of the orchid garden takes an integrated method of natural and regular design. Following the design idea of’culture·water·flower’, the garden is divided into’one circle, one axle, five zones and multi points’. Making orchids the principal line, creating a flowery and fragrant garden landscape of Hylophilus, flower belt, Hanada, sea of flowers and hanging garden by using the various breeds of terrestrial orchids, epiphytic orchids and saprophytic orchids. The sectorization of orchid garden is divided into 5 area, are respectively culture experience area, core scenic spots area, nature experience area, orchid lake area, plants resources conservation area, main scenic spots are orchid square, cultural corridor, valentine lawn, orchid hanada, orchid rivule, orchid pavilion, Xiefang garden, Jiuge gazebo, hanging garden, orchid Lake. Putting forward rainforest hanging garden with lianas and epiphytic orchid, and the orchid’s comprehensive use with hydrophyte, weeding plants and other plants.On the basis of orchid collect, creating popular science halls and herb gardens of warm house orchid plants in the form of breed collecting, and making natural hydrophilic landscape in Orchid lake. Combining technologies of rain garden, landscape dry creek and misty forest, creates a beautiful and fragrant orchid garden that contains the functions of environment preserving and energy saving, scientific studies, science education, orchid culture show and recreation all in one. |
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