Yes, Philodendron is toxic to cats. The philodendron family, which includes the Swiss cheese plant, heartleaf philodendron, and fiddle-leaf philodendron, is mild to moderately hazardous to cats. In cats, philodendron consumption can result in oral irritation, discomfort and swelling of the mouth, tongue, and lips, excessive drooling, vomiting, and difficulties swallowing. Learn about cats, dogs, […]