Product description Genoxone ZX is a product for combating common weeds and thistles, nettles and sorrel species. The most persistent weeds, such as horsetail and ground elder, are also tackled. The product also works on woody plants such as blackberries and shrubs. There is no effect on grasses. Genoxone ZX can be used on permanently uncultivated areas, with the exception of paved areas.