They become declared weeds because of their negative impacts on primary industries, native vegetation and/or public health.
Declared weeds have restrictions on their movement, sale, notification and control. Landowners are responsible for managing them in South Australia.
Identifying weeds helps you find out the best ways to control them. To do this, download and use the free Weed Control app.
If you need more help you can:
If you have a bush block, and you’d like advice on how to manage your weeds, contact us to discuss this and we might be able to arrange a free property visit.
View the complete list of South Australia's declared plants on the Department of Primary Industries and Regions SA (PIRSA) website.