Grimy toadflax is one of the five herbs that cannot be obtained from the Sorceress's Garden minigame. They can, however, be purchased with points at the Pest Control minigame. Clean toadflax can be purchased with Agility arena tickets at the Brimhaven Agility Arena. It is also possible, albeit random, to get grimy toadflaxes (noted) through the Gnome Restaurant, Temple Trekking, and Random event gifts. Cleaning grimy toadflax yields a profit/loss of coins per herb.