Cats, too. Also onions, alcohol, cofee, tea, garlic, macadamia nuts, raisens, grapes and the stems and leaves of potatoes and tomatoes.
Poisonous plants include; apple, apricot, avocado, ferns, calla lilly, english Ivy, holly, honeysuckle, marigolds, morning glory and many more.
This is straight from my cat manual. LOL