兰花属气根植物，有二万多个品种，适应性较强，在中国南北方均可种植，可室内也可室外，可盆栽也可地栽。一、土质要求：最好是深山杂木林下树叶腐烂而成的那层疏松腐质土，在城市难取，便可取火烧草皮灰占６０％，河里粗沙占３０％，其他腐过的菜子饼肥或猪大便晒干成粉... Orchid is an air-rooted plant with more than 20,000 varieties and strong adaptability. It can be planted in both northern and southern China, but indoor or outdoor can also be potted. First, the soil requirements: the best is the rotting foliage in the mountains under the trees made of loose loam humus soil, hard to get in the city, it is desirable fire turf gray accounted for 60% of the river 30% of coarse sand, the other decadent Raffia cake fat or pig stool dried into powder ...