Gamba grass (Andropogon gayanus)



It can form tall, dense stands, out-competing native plants. Gamba grass is a serious threat to World Heritage Areas in northern Australia, and is a Weed of National Significance. 


Gamba grass is tropical species that grows in dense stands up to 4 m high.


It grows in areas where annual rainfall exceeds 600mm. 

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Herbicide options

Contact your local council weeds officer for control advice for Gamba grass (Andropogon gayanus).

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Legal requirements

The content provided here is for information purposes only and is taken from the Noxious Weeds (Weed Control) Order 2014 published in the NSW Government Gazette, detailing weeds declared noxious in New South Wales, Australia, under the Noxious Weeds Act 1993. The Order lists the weed names, the control class and the control requirements for each species declared in a Local Control Authority area.

Area Class Legal requirements
All of NSW 5 Restricted Plant
The requirements in the Noxious Weeds Act 1993 for a notifiable weed must be complied with

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For technical advice and assistance with identification please contact your local council weeds officer.
For further information call the NSW Invasive Plants and Animals Enquiry Line on 1800 680 244 or send an email to

Reviewed 2014