Controls blackberry, lantana, groundsel, privet, wattles, camphor laurel, gorse, eucalyptus & wattle seedlings and suckers, Australian blackthorn and African boxhorn. Searles Tree & Blackberry Killer contains a powerful herbicide for a high quality product, offering an effective solution for woody weeds in the home garden and small acreage. Active Constituents: 50g/Lt Triclopyr - Available sizes: 200ml