谈起凌霄,总不免想起唐代自居易的咏凌霄诗:“有木名凌霄,擢秀非孤标。偶依一株树,遂抽百尺条。……”诗中写出了凌霄依附高大乔木,凌空而上,冲入霄汉的非同一股的气势。人们自古喜爱凌霄,自然因它有些异乎寻常的优点:其枝条上节部有气生根,可自行攀缘上升,不费人力,栽培容易;每届7月小暑、大暑之间,繁花似火,为炎夏增添了不少意趣;加上枝叶扶疏,上架之后覆盖迅速,赏花纳凉,尤为宜人。中国凌霄在长江流域比较多,种在北京多少要受点寒害,只有避风的四合院或小气候好的环境,才能越冬,夏季开花。我们在北京最常见到的却是美国凌 Talk about the Peak, the total can not help but think of the Tang Dynasty himself Wing Wing Poems: “There are names Ling Xiao, Xiu Xiu non-isolated label. Even according to a tree, then pumping hundred feet ....” Peak attached tall tall trees, volley, into the fellow of the same unit momentum. People love the Peak since ancient times, of course, because of some of its unusual advantages: the branches of its branches have air roots, climb climbing on their own, without human effort, easy cultivation; each July small summer, between the summer, flowers, For the summer added a lot of fun; with foliage Fu Shu, shelves after the rapid coverage, enjoy the flowers cool, especially pleasant. Peak China in the Yangtze River more, planted in Beijing how much to suffer a bit cold, only sheltered courtyard or microclimate good environment, in order to winter, flowering in summer. The most common thing we see in Beijing is American Ling