Poisonous plants
The following lists of plants are those that have been diagnosed as causing toxicity-like symptoms in cats
| Alfalfa (multiple exposures) | Cordatum | Gold Dust Dracaena | Pencil Cactus |
| Aloe Vera | Corn Plant | Golden Pothos | Plumosa Fern |
| Amarylillis | Cornstalk Plant | Hahn's Self-Branching Ivy | Poinsettia (low toxicity) |
| Apple (seeds) | Croton | Heartland Philodendron | Poison Ivy |
| Apple Leaf Croton | Cuban Laurel | Hurricane Plant | Poison Oak |
| Apricot (pit) (see laetrile therapy) | Cutleaf Philodendron | Indian Rubber Plant | Pothos |
| Asparagus Fern | Cycads | Janet Craig Dracaena | Potato (green fruit, stem & leaves) |
| Autumn Crocus | Cyclamen | Jerusalem Cherry | Precatory Bean |
| Avacado (fruit and pit) | Daffodil | Kalanchoe | Primrose |
| Azalea | Devil's Ivy | Lillies (most varieties) | Red Emerald |
| Baby's Breath | Dieffenbachia | Mother-in Law's Tongue | Red Princess |
| Bittersweet | Dracaena Palm | Madagascar Dragon Tree | Red-Margined Dracaena |
| Bird of Paradise | Dragon Tree | Marble Queen | Rhododendron |
| Branching Ivy | Dumb Cane | Marijuana | Ribbon Plant |
| Buckey | Elaine | Mexican Breadfruit | Saddle Leaf Philodendron |
| Buddist Pine | Elephant Ears | Miniature Croton | Sago Palm |
| Caladium | Emerald Feather | Mistletoe | Satin Pothos |
| Calla Lily | English Ivy | Morning Glory | Schefflera |
| Castor Bean | Fiddle-leaf fig | Narcissus | Silver Pothos |
| Ceriman | Florida Beauty | Needlepoint Ivy | String of Pearls |
| Cherry (seeds and wilting leaves) | Foxglove | Nephytis | Sweetheart Ivy |
| Chinese Evergreen | Fruit Salad Plant | Nightshade | Swiss Cheese Plant |
| Christmas Rose | Geranium | Oleander | Tomato (green fruit, stem and leaves) |
| Cineraria | German Ivy | Onion | Weeping Fig |
| Clematis | Glacier Ivy | Peach (wilting leaves and pits) | Yew |
Common toxicities in cats:
Common Lily Easter Lily Marijuana Daffodil Iris
Avocado Dieffenbachia Rhododendron Amaryllis