Sagittaria

Sagittaria graminea
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Weed profile

  • Perennial
  • Weeds of National Significance (WoNS)
  • Hinders movement
  • Habitat: waterways, wetlands

Impact

Invades wetlands and waterways.

Description

  • Aquatic perennial with creeping underwater rhizomes.
  • Leaves narrowly oval, emerging from the water on stalks.
  • Flowers with three white petals, on branched stems.

Control options

  • chemical control

    glyphosate (360g/L)

    When: Spot spray, summer

    Where: Aquatic and wetland habitats

glyphosate (360g/L)

Application Method: Spot spray

Application Rate: 1L/100L

Product Name: Roundup Biactive®

Herbicide Group: 9

Situation: Aquatic and wetland habitats

Timing: Spot spray, summer

Comments:

Confirm ID before spraying. Seek advice from an Authorised Officer.

Apply herbicide to individual mats only - do not broadcast spray over water. Repeat control monthly until infestation eradicated.

Legal Status: Product and use are registered, but this weed is not on the label.

Legal requirements in each region

To find out which landscape region you're in visit the NatureMaps website.
Alinytjara Wiluṟara
Eyre Peninsula
Green Adelaide
Hills and Fleurieu
Kangaroo Island
Limestone Coast
Murraylands and Riverland
Northern and Yorke
South Australian Arid Lands