African boxthorn control

Access all the information needed for control of this noxious weed, including weed identification, herbicide application and spray timings.


African boxthorn identification

African boxthorn is a woody shrub that can grow up to 6 m tall. Its rigid branches are leafy and end in a hard, sharp spine reaching up to 150 mm long. It has globe- to egg-shaped berries that are orange-red when ripe with up to 70 seeds. Flowers appear singly or in pairs at the leaf-stem junction. They are approximately 12 mm in diameter with five waxy white petals, each with a purplish base. The main flowering period is during summer but flowering and seed production may occur throughout the year.

African boxthorn control

Product#Method of applicationRate*State
Access® Herbicide Basal bark and Cut stump 1:60 with diesel or Biosafe§ All
Garlon® 600 Herbicide Basal bark and Cut stump 1:30 with diesel distillate All
Garlon® 600 Herbicide Foliar spray 170 mL/100 L of water Tas
Grazon® Extra Herbicide Foliar spray 500 mL/100 L of water All
Tordon® 75-D Herbicide Foliar spray 1.3L/100 L of water Qld, NSW Vic, WA
Vigilant® II Herbicide Cut stump Apply neat: 3–5 mm layer All
Colex-D® Herbicide Cut stump Undiluted All

# Note: Preferred product option in bold. * Consult label for details of growth stage and use, especially where range of rates is given. § Biosafe – trademark used under licence, Victorian Chemical Co Pty Ltd.

Treatment timing

Timing for African boxthorn

Access® Herbicide
Grazon® Extra Herbicide
Key: Best time to spray/treat Can spray/treat if conditions are suitable Do not spray/treat