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Noxious Weeds

Plants are declared noxious under the Noxious Weeds Act 1993 if they have significant negative impacts on the environment, human health, livestock or the agriculture industry. There are currently 84 plants that have been declared noxious in the City of Sydney. Some of the most prevalent of these weeds are listed in the tables below.

Class 1
Class 2
Class 3
Class 4
Class 5

Class 1

	Horsetail Equisetum spp. Class 1
	Parthenium weed Parthenium hysterophorus Class 1
	Siam weed Chromolaena odorata Class 1

Class 2

	Water hyacinth Eichhornia crassipes Class 2
	Salvinia Salvinia molesta Class 2

Class 3

	Alligator weed Alternanthera philoxeroides Class 3
	Bitou bush / Boneseed Chrysanthemoides monilifera Class 3
	Green cestrum Cestrum parqui Class 3
	Pampas grass Cortaderia spp. Class 3
	Primrose Willow Ludwigia peruviana Class 3

Class 4

	Pellitory / Asthma / Sticky weed Parietaria judaica Class 4
	Blackberry Rubus fruticosus (agg.spp) Class 4
	Castor oil plant Ricinus communis Class 4
	Chilean needle grass Nassella neesiana Class 4
	Harrisia cactus Harrisia spp. Class 4
	Lantana (Red-flowered) Lantana camara Class 4
	Lantana (Pink-flowered) Lantana camara Class 4
	Prickly pear Opuntia spp. (except O. ficus indica) Class 4
	Privet broad leaf Ligustrum lucidum Class 4
	Privet narrow leaf Ligustrum sinense Class 4
	St John’s wort Hypericum perforatum Class 4
	Serrated tussock Nassella trichotoma Class 4
	Rhus tree Toxicodendron succedaneum Class 4

Class 5

	Bridal creeper Asparagus asparagoides & Myrsiphyllum asparagoides & Asparagus medeoloides Class 5
	Dodder All Cuscuta species except for 5 the natives Class 5
	Fountain grass Pennisetum setaceum Class 5
	Sagittaria Sagittaria platyphylla & Sagittaria graminea Class 5

Please Note: Images sourced from www.weeds.org.au

The owner or occupier has responsibility for controlling noxious weeds on their land.

These are the control actions for each class of noxious weed:

Class 1 - State Prohibited Weeds. The plant must be eradicated from the land and the land must be kept free of the plant.

Class 2 - Regionally Prohibited Weeds. The plant must be eradicated from the land and the land must be kept free of the plant.

Class 3 - Regionally Controlled Weeds. The plant must be fully and continuously suppressed and destroyed.

Class 4 - Locally Controlled Weeds. The growth and spread of the plant must be controlled according to the measures specified in a management plan published by the local control authority.

Class 5 - Restricted Plants. The requirements in the Noxious Weeds Act 1993 for a notifiable weed must be complied with.

Noxious weeds Class 1 and Class 5 are declared as noxious weeds in the whole of NSW . Additional information can be found on the NSW Department of Primary Industries website www.agric.nsw.gov.au/noxweed

The City of Sydney is a member of the Sydney Central Regional Weeds Committee. For further information regarding individual noxious weeds listed above visit the Sydney Weeds Committees Website www.sydneyweeds.org.au or download the brochures below.

Downloads

Weeds of Central Sydney | PDF 1.8Mb
Weeds of Sydney North | PDF 769Kb
Weeds of South West Sydney | PDF 1.9Mb
Noxious Weeds List Sydney LGA | PDF 32Kb

Noxious Weed Class 4 Management Plans

Asthma Weed | PDF 38Kb
Blackberry | PDF 36Kb
Castor Oil Plant | PDF 45Kb
Chilean Needle Grass | PDF 45Kb
Harrissa Cactus | PDF 38Kb
Lantana | PDF 47Kb
Prickly Pear | PDF 35Kb
Privet | PDF 46Kb
Rhus Tree | PDF 44Kb
Serrated Tussock | PDF 36Kb
St John's Wart | PDF 46Kb

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Last Updated: Thursday 14 February, 2008

Please Note:
While care is taken to ensure accuracy, the City of Sydney cannot guarantee that information expressed here is correct and recommends that users exercise their own skill and care with respect to its use. The City of Sydney makes no warranty or undertaking, whether expressed or implied, nor does it assume any legal liability, whether direct or indirect.