Grazon™ Extra

Grazon Extra badge
Grazon Extra is primarily used for brushweed control plus difficult to control broadleaf weeds in fallow situations in northern Australia. In Southern Australia it is the standard for volunteer lucerne removal prior to cereal cropping.


Active ingredient: 300 g/L triclopyr; 100 g/L picloram and 8 g/L aminopyralid

Mode of action: Plant cell growth disruption (all pyridines)

Formulation: EC

Herbicide group: I

Packaging: 5 L and 20 L


Hard-to-kill weeds in fallow prior to planting winter cereals (see label for full details)

Target Weeds

  • African boxthorn
  • Angophora spp.
  • Australian blackthorn
  • Banksia spp.
  • Biddy bush
  • Blackberry
  • Blue heliotrope
  • Brooms (Cape, english, flax leaf, montpellier)
  • Camphor Laurel
  • Capeweed
  • Casuarina spp. 
  • Chinee apple
  • Cockspur thorn
  • Common sensitive plant
  • Crofton weed
  • Eastern cotton bush (Maireana microphylla)
  • Eucalyptus spp.
  • Fireweed
  • Galenia
  • Giant bramble
  • Gorse
  • Groundsel bush (Baccharis halimifolia)
  • Green cestrum
  • Hawthorn 
  • Horehound
  • Lantana (Lantana camara) (Lantana montevidensis)
  • Lion’s tail (Leonatis nepetifolia)
  • Limebush
  • Manuka
  • Mesquite (Prosopis spp.)
  • Prosopis velutina
  • Milfoil (Yarrow)
  • Mistflower
  • Mother-of-millions
  • Paddy’s lucerne
  • Parkinsonia
  • Paterson’s curse
  • Prickly pear (common) Smooth tree pear
  • Rubber vine
  • Siam weed
  • Sicklepod
  • Spear thistle
  • St John’s wort
  • Sweet briar
  • Tobacco weed
  • Wattle (Acacia spp.) (except corkwood wattle)
  • Wild Rosemary (Cassinia laevis)
  • Wild tobacco tree


Not all weeds are registered in all states, see label for full list.


  • Three powerful ingredients for difficult to control fallow and woody weeds.
  • Fully compatible with glyphosate.