兰花是我国的传统花卉。它朴实无华,叶色常青,花开清香四溢,品质高洁,深受我国人民的喜爱。夏季气候炎热干燥,尤其盛夏常出现高温低湿天气,这对兰花生长极为不利。如何让兰花安全度夏,必须注意以下几点:一、掌握兰花的生长习性兰花喜温暖湿润、夏季阴凉的气候,适于疏松透气、排水良好、富含腐殖质的微酸性土壤。二、适度遮荫兰花是喜阴植物,多数种类怕阳光直晒,因而整个夏季在荫棚下生长。常见的春兰、蕙兰要求遮荫度在70%～80%;建兰则光照稍多些,荫蔽度在60%～70%;墨兰则需85%的荫蔽度。荫棚应在傍晚时拉开,使兰花承受夜间露水和晨夕阳光,阴天不遮荫,每半月转盆一次,使兰株四面受光,均衡生长。三、降温保湿兰花喜湿润而忌过湿,耐干早而忌过燥。因此,当夏季高温干燥时每天应向养兰场所四周地面洒水及兰 Orchid is our traditional flower. It is plain, leaves evergreen, flowers overflowing fragrance, high quality, by our people’s favorite. Summer hot and dry climate, especially in midsummer often appear high temperature and humidity, which is extremely detrimental to the growth of orchids. How to make summer orchid safe, must pay attention to the following points: First, to master the growing habits of orchids Hi warm and moist, cool summer climate, suitable for loose breathable, well-drained, humus-rich slightly acidic soil. Second, the moderate shade Orchid is a hi negative plants, most species afraid of direct sunlight, so the summer grow under the shade. The common Chunlan, Cymbidium shade requirements in the 70% ~ 80%; light blue is slightly more, the shade of 60% to 70%; Cymbidium 85% of the shade required. Shade shed should be opened in the evening, so that evening dew and morning sun exposure to the orchids, shade is not shady, turn basin once every half month, so that blue plants by light, balanced growth. Third, cool moisturizing orchid moisturizing and avoid too wet, dry early and avoid over dry. Therefore, when the summer high temperature drying day should be to the ground around the ground sprinkler and blue