Poisonous plants

This is not a complete listing - please call your veterinarian if you are unsure.

Aconite (Aconiutum spp.)

Poisonous part: Entire plant, especially leaves and roots


Almond (malus spp.)
Poisonous part: kernel in the pit











Almond (Prunus amygdalus)
Poisonous part: kernel in the pit


Aloe (aloe spp.)
Poisonous part: sap







Amaryllis (Brunsigia rosea)
Poisonous part: bulbs


American holly (Ilex spp.)
Poisonous part: fruit or berries


American Nightshade (Phytolacca americana)
Poisonous part: leaves and roots


Anemone (Anemone spp.)
Poisonous part: whole plant


Angels' trumpet (Datura arborea)
Poisonous part: leaves and seeds


Anthurium (Anthurium spp.)
Poisonous part: leaves, plant


Apple (Malus sylvestris)
Poisonous part: seeds and leaves


Apple of Peru (Datura metaloides)
Poisonous part: leaves and seeds


Apple of Sodom (Solanum spp.)
Poisonous part: immature fruit





Apricot (Prunus armeniaca)
Poisonous part: kernel in the pit


Asparagus fern (Asparagus sprengeri)
Poisonous part: leaves and berries


Autumn crocus (Colchicum autumnale)
Poisonous part: whole plant especially bulbs


Azalea (Rhododendron spp.)
Poisonous part: leaves and honey from flower nectar


Baneberry (Actaea spp.)
Poisonous part: berries, roots


Barbados pride (Caesalpinia spp.)
Poisonous part: seeds


Bean tree (Laburnum anagyroides)
Poisonous part: pods/seeds, whole plant


Belladonna (Atropa belladonna)
Poisonous part: whole plant


Belladonna lily (Amaryllis spp.)
Poisonous part: bulbs



Bird of paradise (Caesalpinia spp.)
Poisonous part: seeds



Bird's eye primrose (Primula spp.)
Poisonous part: leaves & stem


Bittersweet (Solanum spp.)
Poisonous part: immature fruit


Bittersweet (Celastrus spp.)
Poisonous part: weed, vine with red berries


Black calla (Arum spp.)
Poisonous part: whole plant


Black nightshade  - see irish potato

Black walnuts (Juglans nigra)
Poisonous part: hulls


Bleeding heart (Dicentra spp.)
Poisonous part: roots, leaves


Blue cardinal flower (Lobelia spp.)
Poisonous part: whole plant


Buckeye (Aesculus spp.)
Poisonous part: nuts, twigs


Bull nettles (Laportea canadensis)
Poisonous part: hairs on leaves & stems


Bushman's poison wintersweet (Acokanthera spp.)
Poisonous part: seeds, plant, fruit


Buttercup (Ranunculus spp.)
Poisonous part: whole plant, sap


Calla lily (Zantedeschia aethiopica)
Poisonous part: leaves


Carolina allspice (Calycanthus spp.)
Poisonous part: seeds


Carolina horse nettle (Solanum spp.)
Poisonous part: immature fruit


Castor bean (Ricinus communis) - also Castor oil plant
Poisonous part: seeds


Chinaberry tree (Melia azedarach)
Poisonous part: seeds, leaves, bark, flower, fruit


Chenille plant (Acalypha spp.)
Poisonous part: latex


Cherry (Prunus spp.)
Poisonous part: kernel in the pit


Chokeberry (Prunus spp.)
Poisonous part: kernel in the pit


Christmas rose (Helleborus niger)
Poisonous part: whole plant


Climbing lily (Gloriosa spp.)
Poisonous part: whole plant


Crab-eyes (Abrus precatorius)
Poisonous part: chewed or broken seeds


Crocus (Colichicum spp.)
Poisonous part: whole plant


Crowfoot (Ranunculus spp.)
Poisonous part: sap


Chrysanthemum (Chrysanthemum spp.)
Poisonous part: sap


Cohosh (Actaea spp.)
Poisonous part: berries, roots


Croton (Croton spp.)
Poisonous part: seeds


Cutleaf philodendron (Monstera spp.)
Poisonous part: whole plant


Daffodil (Narcissus pseudonarcissus)
Poisonous part: bulb


Daisy (Chrysanthemum spp.)
Poisonous part: sap


Daphne (Daphne mezereum)
Poisonous part: whole plant


Daylily (Hemerocallis spp.)
Poisonous part: whole plant


Deadly nightshade (Atropa belladonna)
Poisonous part: whole plant


Delphinium or Larkspur (Delphinium spp.)
Poisonous part: whole plant


Devil's ivy (Epipremnum aureum)
Poisonous part: whole plant


Dog parsley (Aethusa cynapium)
Poisonous part: whole plant


Dragon tail / Dragon head / Green dragon (Arisaema triphyllum)
Poisonous part: whole plant


Dumbcane (Diffenbachia spp.)
Poisonous part: leaves


Dwarf poinciana (Caesalpinia spp.)
Poisonous part: seeds


Elderberry (Sambucus spp.)
Poisonous part: whole plant


Elephant's ear (Alocasia spp., Caladium spp. Colocasia spp.)
Poisonous part: Alocasia - leaves & stem, Caladium - whole plant, Colocasia - leaves


English holly (Ilex spp.)
Poisonous part: berries


English ivy (Hedera helix)
Poisonous part: leaves and fruit


English walnuts (Juglans regia)
Poisonous part: hulls


European mistletoe (Viscum album)
Poisonous part: leaves, stem


Feverfew (Chrysanthemum spp.)
Poisonous part: sap


Field garlic (Allium spp.)
Poisonous part: bulbs, bulbets, flowers, stems


Flag (Iris spp.)
Poisonous part: bulbs


Flamingo flower (Anthurium spp.)
Poisonous part: leaves, plant


Fool's parsley (Aesthusa cynapium)
Poisonous part: whole plant


Foxglove (Digitalis purpurea)
Poisonous part: whole plant including smoke from burning and the water in which flowers have been placed


Garlic (Allium spp.)
Poisonous part: bulbs, bulbets, flowers, stems


German primrose (Primula spp.)
Poisonous part: leaves, stem


Giant chain (Laburnum anagyroides)
Poisonous part: whole plant


Giant milkweed (Calatropis spp.)
Poisonous part: whole plant


Gloriosa or glory lily (Gloriosa spp.)
Poisonous part: whole plant


Golden chair - see bean tree

Hedge plant (Ligustrum vulgare)
Poisonous part: whole plant


Helmet flower (Aconitum spp.)
Poisonous part: whole plant, vase water


Horse chestnuts (Aesculus spp.)
Poisonous part: nuts & twigs


Horsehead - see Philodendron

Hurricane plant - see Philodendron

Hyacinth (Hyacinthus spp.)
Poisonous part: bulb


Hydrangea (Hydrangea macrophylla)
Poisonous part: flower bud


Indian tobacco (Lobelia spp.)
Poisonous part: whole plant


Iris (Iris spp.)
Poisonous part: rootstock


Irish potato (Solanum tuberosum)
Poisonous part: vines, green skin, sprouts


Jack in the pulpit (Arisaema triphyllum)
Poisonous part: whole plant


Jacob coat copperleaf (Acalypha spp.)
Poisonous part: latex


Jamaican walnut (Aeurites spp.)
Poisonous part: whole plant


Jamestown weed or jimson weed (Datura stramonium)
Poisonous part: leaves & seeds


Japanese andromeda (Pieris spp.)
Poisonous part: flowers, leaves, nectar


Jequirity bean (Abrus precatorius)
Poisonous part: chewed or broken seed


Jerusalem cherry (Solanum spp.)
Poisonous part: immature fruit


Jessamine (yellow) (Gelsemium sempervirens)
Poisonous part: whole plant


Jonquil (Narcissus pseudonarcissus)
Poisonous part: bulbs


Kidney bean tree (Wisteria spp.)
Poisonous part: whole plant


Lady laurel - see Daphne

Lantana (Lantana camara)
Poisonous part: leaves, immature berries


Lily including easter lily and tiger lily (Lilium spp.)
Poisonous part: whole plant


Lily of the valley (Convallaria majalis)
Poisonous part: whole plant including smoke from burning and water in which flowers have been placed


Lovage (Ligustrum vulgare)
Poisonous part: whole plant


Marguerite (Chrysanthemum spp.)
Poisonous part: sap


Marijuana (Cannabis sativa)
Poisonous part: leaves, stem


Mescal (Lophophora williamsii)
Poisonous part: buttons


Mexican breadfruit - see cutleaf philodendron

Mistletoe (Phoradendron spp.)
Poisonous part: whole plant


Monkshood (Aconitum spp.)
Poisonous part: whole plant especially leaves & roots


Moonseed (Menispermum canadense)
Poisonous part: fruit


Morning glory (Ipomea purpurea or Ipomea tricolor)
Poisonous part: seeds


Mountain laurel (Kalmia spp.)
Poisonous part: leaves & nectar


Mushrooms (numerous species are toxic especially Amanita spp.)
Poisonous part: whole fungus


Mustard (Brassica spp.)
Poisonous part: roots, seeds


Naked lady (Brunsvigia rosea)
Poisonous part: bulbs


Nettle (Urtica dioica)
Poisonous part: hairs on leaves


Nettle spurge (Cnidoscolus stimulosus)
Poisonous part: hairs on leaves and stems


Nipplefruit (Solanum spp.)
Poisonous part: immature fruit


Oleander (Nerium oleander)
Poisonous part: whole plant including smoke from burning and water in which flowers are kept


Onion (Allium spp.)
Poisonous part: bulbs, bulbets, flowers, stems


Palma christi (Ricinus communis)
Poisonous part: seeds


Pasque flower anemone (Anemone spp.)
Poisonous part: whole plant


Passionflower / fruit (Lycopersicon esculentum)
Poisonous part: plant, fruit


Peach (Prunus spp.)
Poisonous part: kernel in the pit


Peyote (Lophophor williamsii)
Poisonous part: buttons


Philodendron (Philodendron spp.)
Poisonous part: leaves


Plum (Prunus spp.)
Poisonous part: kernel in the pit


Poinsettia (Euphorbia pulcherrima)
Poisonous part: leaves, stem


Poison ivy (Toxicodendron spp.)
Poisonous part: whole plant


Poison oak (Toxicodendron spp.)
Poisonous part: whole plant


Poison sumac (Toxicodendron spp.)
Poisonous part: whole plant


Poke or pokeweed (Phytolacca americana)
Poisonous part: leaves, roots


Potato (Solanum spp.)
Poisonous part: immature fruit


Pothos (Epipremnum aereum)
Poisonous part: whole plant



Prayer bead or Precatory bean (Abrus precatorius)
Poisonous part: chewed or broken seed


Prim (Ligustrum vulgare)
Poisonous part: whole plant


Primula (Primula spp.)
Poisonous part: leaves & stems


Privet see Prim

Red emerald / princess see philodendron

Rhododenron (Rhododendron spp.)
Poisonous part: leaves & honey from flower nectar


Rhubarb (Rheum rhaponticum)
Poisonous part: leaves


Sago palm (false) (Cycas revolute or zamia spp.)
Poisonous part: whole plant


Skunk cabbage (Symplocarpus spp.)
Poisonous part: whole plant


Sloe (Prunus spp.)
Poisonous part: kernel in the pit


Small hemlock (Aethusa cynapium)
Poisonous part: whole plant


Solomon's lily (Arum spp.)
Poisonous part: whole plant


Star potato vine (Solanum spp.)
Poisonous part: immature fruit


Stinging nettle (Urtica diocia)
Poisonous part: hairs on leaves and stems


Thorn apple (Datura metaloides)
Poisonous part: leaves and seeds


Tomato plant see Passionflower/fruit

Trumpet vine (Datura arborea)
Poisonous part: leaves & seeds


Tobacco (Nicotiana tobaccum)
Poisonous part: leaves


Tulip (Tulipa spp.)
Poisonous part: bulbs


Tung oil tree (Aleurites spp.)
Poisonous part: whole plant


Wisteria (Wisteria spp.)
Poisonous part: whole plant


Yaupon (Ilex spp.)
Poisonous part: fruit


Yellow jessamine (Gelsemium sepervirens)
Poisonous part: whole plant


Yew (Taxus spp.)
Poisonous part: most of the plant including the seeds but not the red aril