The most common toxic house plants for cats are: Philodendron, Ficus, Mother-in-Laws Tongue (Snake Plant), Schefflera, Croton, Jade, Aloe Vera, Dieffenbachia, Poinsettia, Pothos, Corn Plant (Draceana), Chinese Evergreen (Algaonema), Peace Lily (Spathiphyllum), and Anthurium are all mildly toxic to cats, Ivy more so. They all produce vomiting and diarrhoea if ingested. Cats are curious creatures be aware.