Certain common houseplants are poisonous to cats:

• Caladium (Elephant’s ears)
• Dieffenbachia (Dumb cane)
• Euphorbia pulcherrima (Poinsettia)
• Hedera (True ivy)
• Mistletoe
• Oleander
• Philodendron
• Prunus laurocerasus (Common or cherry laurel)
• Rhododendron (Azalea)
• Solanum capiscastrum (Winter or False Jerusalem cherry)