STATE NRM OFFICE

Natural Resource Management in Western Australia

11053: Watsonia control along Balingup Brook

Successful control of Watsonia along Balingup Brook – photo taken in December 2012. Courtesy Debbie Brace, Shire of Donnybrook-Balingup.
Successful control of Watsonia along Balingup Brook – photo taken in December 2012. Courtesy Debbie Brace, Shire of Donnybrook-Balingup.

Balingup Brook meanders through the Blackwood Valley, crossing the South Western Highway at the northern entrance of the vibrant tourist town of Balingup.

Infestation by weeds is one of the biggest threats to the health of Balingup Brook.

In 2011, the brook was sprayed with herbicide targeting blackberry. Spraying was successful, however the removal of blackberry infestations allowed Watsonia to thrive.

Watsonia is an invasive weed and is registered as a 'Weed of National Significance'.

This project will target Watsonia that has infested a two kilometre stretch of Balingup Brook east of the South West Highway. Infestations are patchy and extend approximately 10 metres either side of the brook. 

Control measures will include:

  • herbicide sprays in heavily infested areas
  • manual removal in isolated patches of good bushland

Revegetation with native seedlings will occur once the Watsonia has been successfully removed.

Investment: $ 10 000
Delivery organisation: Shire of Donnybrook-Balingup
Project duration: October 2012 - December 2013
Location: Balingup Brook, Balingup

More information

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Page last updated on Wednesday, 1 July 2015