Cortaderia selloana

Pampas grass
Pampas grass inflorescences
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
(unranked):	Commelinids
Order:	Poales
Family:	Poaceae
Genus:	Cortaderia
Species:	C. selloana
Binomial name
Cortaderia selloana (Schult. & Schult.f.) Asch. & Graebn.

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 (10 ft). The leaves are long and slender, 1–2 m (3 ft 3 in–6 ft 7 in) long, and 1 cm broad, with very sharp edges. The leaves are usually bluish-green, but can be silvery grey. The flowers are produced in a dense white panicle 20–40 cm (8–16 in) long on a 2–3 m (6 ft 7 in–9 ft 10 in) tall stem.

The specific epithet was given by Josef August and Julius Hermann Schultes in 1827, after the German botanist and naturalist Friedrich Sellow, who studied the flora of South America, especially that of Brazil.

The plant was introduced to Europe, North America, and Australia as an ornamental grass, and, to a lesser extent, to provide food for grazing animals. The feathery flower head plumes, when dried, are widely used in flower arrangements and other ornamental displays.

Several cultivars are available, including:

Those marked agm have gained the Royal Horticultural Society's Award of Garden Merit.

Pampas grass is highly adaptable and can grow in a wide range of environments and climates. It also seeds prolifically, with each plant able to produce over one million seeds during its lifetime. As such, in some areas (for example California, Hawaii, or Green Spain) it is regarded as an invasive weed, whilst in New Zealand and South Africa, the plant is banned from sale and propagation for the same reasons. Burning pampas grass does not always kill it at the roots, but chemical weedkiller does.

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Wikipedia