夹竹桃原产印度及伊朗，在我国虽是客植，但也有悠久历史。我国广大的热带、亚热带区域的公园、绿地、路旁、池畔、江河堤岸、草坪边缘都有广泛分布。 夹竹桃虽是矮小灌木，没有松、柏那么高大、雄伟，但它却也四季常青，即使寒冬万木凋零，它仍生机盎然，郁郁葱葱。夹竹桃因为 Oleander origin India and Iran, although in our country is a guest, but also has a long history. The vast tropical and subtropical regions of our country parks, green spaces, roadsides, poolside, embankments, lawn edge are widely distributed. Although oleander is short shrubs, no pine, cypress so tall, majestic, but it is also evergreen, even if the winter trees shriveled, it is still full of vitality, lush. Oleander because