Oleander is an evergreen shrub and grow rapidly 6m (20 feet) height and width even though usually pruned in the height 3m (10 feet). Oleander is easy to grow plant and so often used as road plant. As you can see on this picture, the flowers of Oleander are very showy and several colors cultivars are developed and used as landscape shrub. Oleander is also known as poisonous plant. Oleander is native to South Asia.