Taurian thistle (Onopordum tauricum)

Taurian thistle is recorded only in two isolated areas of Victoria.


How does this weed affect you?

Thistles are prolific seeders and can spread quickly if not controlled.

What does it look like?

Taurian thistle is a biennial herb up to 2 m tall. It starts with a rosette of leaves then produces a ribbed, spiny, winged stem.

Rosette leaves are up to 25 cm long and 10 cm wide. They are smaller up the stem. Leaves are green and sparsley hairy on top, with dense hairs on the underside. Each leaf has up to 8 triangular lobes with yellow spines. 

The flowerheads are purplish-pink and up to 7 cm in diameter.

Where is it found?

Taurian thistle has not been found in NSW. It has been recorded in isolated areas of Victoria and South Australia. 

It is native to Europe and western Asia.

More information

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Herbicide options

Users of agricultural or veterinary chemical products must always read the label and any permit, before using the product, and strictly comply with the directions on the label and the conditions of any permit. Users are not absolved from compliance with the directions on the label or the conditions of the permit by reason of any statement made or not made in this information. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website www.apvma.gov.au

See Using herbicides for more information.

Glyphosate 360 g/L (Various products)
Rate: 10 mL per 1 L water
Comments: Spot spray. For general weed control in domestic areas (home gardens), commercial, industrial and public service areas, agricultural buildings and other farm situations.
Withholding period: Nil.
Herbicide group: 9 (previously group M), Inhibition of 5-enolpyruvyl shikimate-3 phosphate synthase (EPSP inhibition)
Resistance risk: Moderate

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Biosecurity duty

The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). It describes the state and regional priorities for weeds in New South Wales, Australia.

Area Duty
All of NSW General Biosecurity Duty
All pest plants are regulated with a general biosecurity duty to prevent, eliminate or minimise any biosecurity risk they may pose. Any person who deals with any plant, who knows (or ought to know) of any biosecurity risk, has a duty to ensure the risk is prevented, eliminated or minimised, so far as is reasonably practicable.

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For technical advice and assistance with identification please contact your local council weeds officer.

Reviewed 2021