Bunny Tail Grass (Lagurus ovatus) is generally not considered highly toxic to cats. While it's typically safe, some precautions should be taken. Ingesting this grass may lead to mild digestive upset in cats, including vomiting or diarrhea. Additionally, some cats might have sensitivities or allergies to certain plants, potentially causing skin irritation or other allergic reactions if they come into contact with Bunny Tail Grass.