http://www.sacpaws.com/home/Blog/LB/230 Here's a list of some of the more commom plants that are poisonous to cats...I had no idea! Almond (Pits of) Aloe Vera Apple (seeds) Apricot (Pits of) Asparagus Fern Autumn Crocus Avocado (fruit and pit) Azalea Baby's Breath   Beech Bird of Paradise Black-eyed Susan Boxwood Branching Ivy     Cactus, Candelabra Cherry (pits, seeds & wilting leaves)   Chrysanthemum Clematis Cornstalk Plant Cyclamen   Daffodil Delphinium   Eggplant Elephant Ear English Ivy Eucalyptus Evergreen   Ferns Fiddle-leaf fig Foxglove   Geranium German Ivy   Heartland Philodendron Hemlock Holly Honeysuckle Hurricane Plant Hyacinth Hydrangea   Iris Iris Ivy   Jack in the Pulpit Jimson Weed Jonquil   Lantana Larkspur Laurel Lily (Calla, Easter, Valley, Oriental, Peace, Tiger, etc.)   Marigold Marijuana Mistletoe Morning Glory Mushrooms Narcissus Needlepoint Ivy   Oleander Onion   Peach (pits and wilting leaves) Peony Periwinkle Poinsettia (low toxicity) Poison Ivy Poison Oak Poppy Potato Primrose Privet, Common   Rhododendron Rhubarb   Sago Palm Sweetpea Swiss Cheese plant   Tobacco Tomato Plant (green fruit, stem and leaves) Tulip   Wisteria Here's a list of some of the more commom plants that are poisonous to cats...I had no idea! Almond (Pits of) Aloe Vera Apple (seeds) Apricot (Pits of) Asparagus Fern Autumn Crocus Avocado (fruit and pit) Azalea Baby's Breath   Beech Bird of Paradise Black-eyed Susan Boxwood Branching Ivy     Cactus, Candelabra Cherry (pits, seeds & wilting leaves)   Chrysanthemum Clematis Cornstalk Plant Cyclamen   Daffodil Delphinium   Eggplant Elephant Ear English Ivy Eucalyptus Evergreen   Ferns Fiddle-leaf fig Foxglove   Geranium German Ivy   Heartland Philodendron Hemlock Holly Honeysuckle Hurricane Plant Hyacinth Hydrangea   Iris Iris Ivy   Jack in the Pulpit Jimson Weed Jonquil   Lantana Larkspur Laurel Lily (Calla, Easter, Valley, Oriental, Peace, Tiger, etc.)   Marigold Marijuana Mistletoe Morning Glory Mushrooms Narcissus Needlepoint Ivy   Oleander Onion   Peach (pits and wilting leaves) Peony Periwinkle Poinsettia (low toxicity) Poison Ivy Poison Oak Poppy Potato Primrose Privet, Common   Rhododendron Rhubarb   Sago Palm Sweetpea Swiss Cheese plant   Tobacco Tomato Plant (green fruit, stem and leaves) Tulip   Wisteria en-us