skip to main content skip to main menu
Scroll

Environment, Sustainability & Biosecurity

tree.png

Common Weeds

The following is a list of common weeds found in the Yass Valley Local Government Area.

For more information and advice on identification and control, contact the Local Land Services, Yass Valley Council Biosecurity Weeds Officer or your local agronomist.

Paterson's Curse
Echium Plantagineum

Paterson’s Curse is an erect low growing annual herbaceous plant. Paterson’s Curse germinates in autumn, forming rosettes. As the plant grows, the stems lengthen and branch, in early Spring small purple flowers develop.
Peterson’s Curse is poisonous to stock with prolonged grazing leading to liver damage. Paterson’s curse is particularly toxic to horses, potentially causing death in as little as a few weeks. In addition to being toxic to animals, Paterson’s curse has the ability to become rapidly established and smother germinating pasture as the rosettes spread and thicken.

For more information and advice on identification and control contact the Local Land Services, Yass Valley Council Biosecurity Weeds Officer or your local agronomist.

Patersons

 

Capeweed
Arctotheca calendula

Capeweed is a low growing annual winter weed. It has deeply lobed green leaves and distinctive yellow daisy-like flowers. Capeweed is a prolific seeding plant and dominates paddocks throughout competing and smothering beneficial grasses and plants at the seedling stage.
Capeweed can be poisonous to stock if digested in high quantities. Chemical control is very effective on capeweed when applied pre-flowering.

For more information and advice on identification and control,  please visit the Local Land Services, Yass Valley Council Biosecurity Weeds Officer or your local agronomist.

Capweed flower

Capeweed

Erodium
Erodium Cicutarium

Erodium, also known as Crows Foot or Common Stork Bill, is an annual herbaceous weed of pasture and crops. Seedlings develop a clustered rosette similar to that of Capeweed, before developing reddish stems and growing more upright. Erodium can out compete beneficial grasses and plants at the seedling stage due to the thick leaf cover of the rosette and the ability to grow up and over seedling grasses and smother them out. 

Although Erodium is palatable, in higher quantities it can be toxic causing photosensitivity in sheep. The spiked seeds can also injure stock, particularly when caught in the eyes and between the toes.

Hormone herbicides provide good control of young plants. Older plants are harder to control and relatively tolerant to glyphosate.

For more information and advice on identification and control, please contact the Local Land Services, Yass Valley Council Biosecurity Weeds Officer or your local agronomist.

Erodium

Erodium flower

Thistles
Saffron, Slender, Variegated, Spear/Black, Scotch and Artichoke

Thistles are vigorous competitors. The dense, flattened rosette leaves smother desirable pasture species seedlings in spring reducing their early growth. Dense stands of mature thistles create barriers that hinder livestock movement. Thistles are prolific seeders and can spread quickly if not controlled. Although susceptible to herbicide control as rosettes, once established thistles are difficult and expensive to control. Dense thistle populations can reduce property values.

For more information and advice on identification and control, please contact the Local Land Services, Yass Valley Council Biosecurity Weeds Officer or your local agronomist.

Saffron

Saffron Thistle (Carthamus Ianatus)

Slender

Slender Thistle (Carduus pycnocephalus)

Variegated

Variegated Thistle (Silybum marianum)

Spear

Spear or Black Thistle (Cirsium vulgare)

Scotch

Scotch Thistle (Onopordum acanthium)

Artichoke

Artichoke Thistle (Cynara cardunculus)

Related Documents

There are no documents related to this page.

Related Pages

There are no pages related to this page.

Disclaimers and Copyright
While every endeavour has been taken by the Yass Valley Council to ensure that the information on this website is accurate and up to date, Yass Valley Council shall not be liable for any loss suffered through the use, directly or indirectly, of information on this website. Information contained has been assembled in good faith. Some of the information available in this site is from the New Zealand Public domain and supplied by relevant government agencies. Yass Valley Council cannot accept any liability for its accuracy or content. Portions of the Yass Valley Council information and material on this site, including data, pages, documents, online graphics and images are protected by copyright, unless specifically notified to the contrary. Externally sourced information or material is copyright to the respective provider.

© Yass Valley Council - www.yass.nsw.gov.au / +61 2 6226 1477 / Fax: +61 2 6226 2598