Many plants are toxic to cats. Most felines enjoy chewing on greenery but usually prefer grass to the leaves of plants. A cat may occasionally develop a taste for a particular plant and will need to be discouraged from eating it.

Here is a partial list of some common green dangers:

Also:

Aloe Vera - Amarylillis- Apple (seeds)-Apple Leaf Croton-Apricot (pit)-Asparagus Fern-Autumn Crocus-Avacado (fruit and pit)-Azalea-Baby's Breath-Bird of Paradise-Bittersweet-Branching Ivy-Buckey-Buddist Pine-Caladium-Calla Lily-Castor Bean-Ceriman-Charming Dieffenbachia-Cherry (seeds and wilting leaves)-Chinese Evergreen-Christmas Rose-Cineraria-Clematis-Cordatum-Corn Plant-Cornstalk Plant-Croton-Cuban Laurel-Cutleaf-Philodendron-Cycads-Cyclamen-Daffodil-Devil's Ivy-Dieffenbachia-Dracaena Palm-Dragon Tree-Dumb Cane-Easter Lily (especially in cats!!!!)-Elaine-Elephant Ears-Emerald Feather-English Ivy-ddle-leaf fig-Florida Beauty-Foxglove-Fruit Salad Plant-Geranium-German Ivy-Giant Dumb Cane-Glacier Ivy-Gold Dieffenbachia-Gold Dust Dracaena-Golden Pothos-Hahn's Self-Branching Ivy-Heartland Philodendron-Hurricane Plant-Indian Rubber Plant-Janet Craig Dracaena-Japanese Show Lily (especially cats !!!)-Jeusalem Cherry-Kalanchoe-Lacy Tree Philodendron- Lily of the Valley-Madagascar Dragon Tree-Marble Queen-Marijuana-Mexican Breadfruit- Miniature Croton-Mistletoe-Morning Glory-Mother-in Law's Tongue-Narcissus-Needlepoint Ivy-Nephytis-Nightshade-Oleander-Onion-Oriental Lily (especially in cats!!!)-Peace Lily-Peach (wilting leaves and pits)-Pencil Cactus- Plumosa Fern-Poinsettia (low toxicity)-Poison Ivy-Poison Oak-Pothos-Precatory Bean-Primrose-Red Emerald- Red Princess-Red-Margined Dracaena-Rhododendron-Ribbon Plant-Saddle Leaf Philodendron-Sago Palm-Satin Pothos-Schefflera-Silver Pothos-Spotted Dumb Cane-String of Pearls-Striped Dracaena-Sweetheart Ivy-Swiss Cheese Plant-Taro Vine-Tiger Lily (especially cats!!!)-Tomato Plant (green fruit, stem and leaves-Tree Philodendron-Tropic Snow Dieffenbachia-Weeping Fig-Yew.