Cortaderia selloana, commonly known as pampas grass, is a flowering plant native to southern South America, including the Pampas region after which it is named. There are around 25 species in the genus Cortaderia. It is a tall grass, growing in dense tussocks that can reach a height of 3 m.The species of Cortaderia are imposing tall grasses growing 1.5–3 m tall, with graceful white inflorescence plumes. They are in widespread use as ornamental plants.
Pampas grass is a perennial plant and can reach 4 metres (13 feet) in height. The long sharped-edged leaves fold at the midrib and form a dense tussock (tufted bunch). Female plants bear silvery plumelike flower clusters about 30 to 90 cm (1 to 3 feet) long. The feathery seeds are readily dispersed by the wind.