Flair tutsan control

Page last updated: Saturday, 28 September 2019 - 12:31pm

Please note: This content may be out of date and is currently under review.

Control methods for flair tutsan (Hypericum x inodorum) a declared pest in Western Australia.


Information about this pest can be found on the flair tutsan: declared pest page.

Chemical requirements

When using any agricultural chemicals please ensure that you always follow instructions on the label and any permit. Users of agricultural chemical products must always strictly comply with the directions on the label and the conditions of any permit. To view permits or product labels go to the Australian Pesticides and Veterinary Medicines Authority website.

Chemical control options

Chemical control options can be found below. For other methods of control please refer to the aquatic weed control page, and the declared plant control handbook.

Recommended herbicides

  • Picloram
  • Picloram + 2,4-D amine
  • Metsulfuron
  • Glyphosate

Herbicide: Tordon 2g (Group I)

Active ingredient

Picloram 20g/kg

Rate of product


Time of application

Actively growing plants or when soil is moist or when rain is imminent


Apply the granules out to the drip-line of the bushes

More information

To obtain an even distribution of the granules, mix the required amount for the area with sand and then spread

Herbicide: Picloram + 2,4-D amine (Group I) (various trade names: see APVMA link)

Active ingredient

300g/L 2,4-D + 75g/L picloram

Amount of product/10L water


Time of application

Mature plants


Results in Victoria have been variable

Herbicide: Metsulfuron methyl (Group B) (various trade names: see APVMA link)

Active ingredient

Metsulfuron methyl 600g/kg

Rate of product

20g/100L water for hand gun application

Time of application

Spring to Autumn

Wetting agent

Penetrant such as Pulse® at 100mL/100L water

Other control measures

Knapsack rate suggested 2g/10L water + 10mL Pulse®

Herbicide: Glyphosate (Group M) (various trade names: see APVMA link)

Active ingredient

  1. Glyphosate 360g/L
  2. Glyphosate 450g/L  
  3. Glyphosate 540g/L 

Other concentrations of glyphosate available

Rate of product/10L water

  1. Glyphosate 360g/L =   100mL
  2. Glyphosate 450g/L =    80mL
  3. Glyphosate 540g/L =    65mL

Adjust rate when using another concentration of glyphosate

Time of application

Actively growing plants

Wetting agent

Penetrant such as Pulse® at 20mL/10L water

More information

Same rates for high volume hand gun treatment

Contact information

Pest and Disease Information Service (PaDIS)
+61 (0)8 9368 3080