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Pampas Grass (Cortaderia selloana)

Pampas grass (Cortaderia spp.) is declared noxious in the Illawarra District Weeds Authority control area (including Kiama, Shellharbour and Wollongong council areas).

The weed control class is 3. This means that:

The plant must be fully and continuously suppressed and destroyed”.


Description: A long-lived perennial tussock (2 metres high) with flowerheads 4 metres high.  Plants are either female or hermaphrodite (bisexual).  Female plants can produce 100,000 seeds per flowerhead per season if pollinated.  Seeds spread by wind.  Plant can also be grown from pieces of rhizomes (root segments).

Pampas grass is in widespread use as a garden ornamental in residential areas.

 A native of South America

Problem: Bisexual plants produce viable seed. Female plants spread more slowly, vegetatively. Plants quickly invade disturbed lands, particularly burnt forests, heathlands, scrublands and wetlands. Also produces large quantities of flammable material and dense infestations increase bush fire hazard.  

Control Plan: Click here

For more detailed information click here