要使兰花在北方正常生长,必须抓好浇水、防寒、施肥、通风、惜叶护花、防治病虫害和换盆等养护管理工作。兰花性喜阴凉湿润,过干就生长不良,太湿则易烂根败叶,严重时使全株死亡。北方气候干燥,盆栽兰花,尤要注意浇水的问题。冬季要少浇,每次浇水先使盆土湿润3厘米深,待其干后再浇第二次,浇水宜在中午。春秋可增加浇水量,以盆土手捏能成团,放可松散为度。夏季更应增加浇水量,浇必洗透,但盆内不可积水,以免烂根。宜早 To make orchids grow normally in the north, we must do a good job of watering, cold-proofing, fertilizing, ventilation, protecting leaves and protecting pests and changing basins. Orchid sexual cool and wet, too dry to poor growth, too wet is easy to rot roots, the whole plant died of serious. The northern climate is dry, potted orchids, with particular attention to the issue of watering. Winter less to pour, each basin first wet soil 3 cm deep, to be dry after pouring the second time, watering should be at noon. Spring and autumn can increase the amount of water to pot soil pinch into a group can put loose for the degree. Summer should increase the amount of water, pour must wash through, but the basin can not accumulate water, so as to avoid rotten roots. Should be early