“盆花越冬容易,度春难”,这是许多花卉爱好者的亲身体验。不少人家的盆花,冬季叶绿花艳,到了春天往往叶黄花凋,尤其米兰、白兰、栀子、含笑、茶花、杜鹃等名花,不仅经常出现哑花、落花、落叶现象,甚至全株死亡。这是什么原因呢? “Potted winter easy, degree of spring difficult”, which is many flower lovers experience. Many people potted flowers in winter and colorful, often in the spring withered leaves, especially Milan, Prynne, gardenia, smile, Camellia, Rhododendron and other flowers, not only dull flowers, falling flowers, deciduous leaves, and even whole plant deaths. What is the reason?