Pampas grasses

Cortaderia spp.
pampas_grasses_1_-_C.jubata_JDean.jpg
pampas_grasses_2_-_Cjubata_juvenile_inflorescence_JDean.jpg
pampas_grasses_3_-_IMG_4084.jpg

Weed profile

  • Perennial
  • Grass
  • Fire hazard
  • Hinders movement
  • Habitat: native vegetation

Impact

Invades bushland. Displaces native vegetation. Fire hazard.

Description

  • Giant perennial tussock grasses.
  • Leaves tough, grey-green with sharp serrated edges.
  • Tall, fluffy flower spikes to 4 m, may be pink at first, fading to white.

Control options

  • chemical control

    glyphosate (450g/L)

    When: Spot spray, while actively growing.

    Where: Conservation areas, bushland and other non-crop areas.

  • chemical control

    glyphosate (360g/L)

    When: Spot spray, while actively growing.

    Where: Non-crop situations.

  • physical control

    Manual removal

    When: Any time

    Where: Any.

glyphosate (450g/L)

Application Method: Spot spray

Application Rate: 1.3L/100L

Product Name: Roundup CT®

Herbicide Group: 9

Situation: Conservation areas, bushland and other non-crop areas.

Timing: Spot spray, while actively growing.

Comments: Add spray oil. Non selective, avoid contact with desirable plants.

Legal Status: PER 13371 (exp. 2027)

glyphosate (360g/L)

Application Method: Spot spray

Application Rate: 1-1.3L/100L

Product Name: Roundup Biactive®

Herbicide Group: 9

Situation: Non-crop situations.

Timing: Spot spray, while actively growing.

Comments: Suitable for use near waterways - refer to label. Non selective, avoid contact with desirable plants. Repeat treatments necessary.

Legal Status: Registered

Manual removal

Situation: Any.

Timing: Any time

Comments: Grub out whole tussock including rhizome. Wear protective clothing to avoid cuts from the leaves. Large plants need machinery such as a bobcat to remove.

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