poisonous plants

These plants are considered TOXIC (poisonous, possibly dangerous).  These plants contain a wide variety of poisons and symptoms may vary from mild to fatal. Contact the local Poison Center for more specific information on these or other plants that may not be on this list. Many other plants not listed here will cause Dermatitis (skin rash). 

Exercise caution when using these plants around children and pets! NOTE: Plants marked in bold are known to have caused human fatalities.

Wild Plants in Yards, Woods, Swamps & Fields

Botanical Name

Common Name

Poisonous Parts

Actaea pachypoda /Actaea rubra Baneberry All Parts
Celastrus scandens Bittersweet Leaves, Seeds, Roots
Ranunculus repens Buttercups All Parts
Veratrum viride False Hellebore Leaves
Cicuta naculata Poison Hemlock All Parts
Cicuta douglasii Water Hemlock All Parts
Arisaema triphyllum Jack-in-the-pulpit (Indian turnip) All parts, Especially Roots
Datura stramonium Jimson Weed(thorn apple, datura) All Parts
Caltha palustris Marsh Marigold All Parts
Ascelpias (several species) Milkweed Sap
Mushrooms(several species) Mushrooms All Parts
Atropa belladonna Nightshade, Deadly All Parts, Especially Unripe Berries
Toxicodendron radican Poison Ivy All Parts
Toxicodendron diversilobum Poison Oak All Parts
Toxicodendron vernix Poison Sumac All Parts
Phytolacca americana Pokeberry, pokeweed Roots, Berries
Phytolacca americana Skunk Cabbage All Parts
Parthenocissus quinquefolia Virginia Creeper Berries
Ornithogalum umbellatum tar-of-Bethlehem Bulb

Annuals, Perennials, Groundcovers & Vines

Botanical Name

Common Name

Toxic Parts

Aconitum Monkshood all parts
Anemone Windflower all parts
Arisaema Jack in the Pulpit all parts
Clematis Clematis all parts
Convallaria Lily of the Valley all parts
Datura Jimsonweed all parts
Delphinium x belladonna Larkspur all parts
Dicentra Bleeding Heart leaves, roots
Dictamnus Gas Plant all parts
Digitalis Foxglove leaves
Echium Blueweed leaves, stem
Euphorbia Spurge all parts
Gloriosa Gloriosa Lily all parts
Hedera helix English Ivy all parts
Helemium Sneezeweed all parts
Helleborus Hellebore all parts
Iris Iris roots, leaves
Lantana camara Lantana seeds, unripe fruit
Lathyrus Perennial Sweet pea seeds
Lobelia Cardinal Flower all parts
Lupinus Lupine all parts
Nicotiana Nicotiana all parts
Paeonia Peony Roots
Papaver Poppy all parts
Parthenocissus Virginia Creeper berries
Parthenocissus Boston Ivy all parts
Peyote Mescal all parts
Phoradendron Mistletoe all parts
Primula Primrose leaves, stems
Pheum Rhubarb leaves
Rudbeckia Coneflower all parts
Solanum Nightshade berries
Toxicodendron spp. Poison Hemlock Poison Ivy all parts
Wisteria Wisteria seeds
     

Woody Plants: Trees, Shrubs & Bushes

Botanical Name

Common Name

Toxic Parts

Aesculus spp. Buckeye, Horse Chestnut nuts, leaves, twigs
Azalea, Rhodeodendron Azalea, Rhododendron seeds, leaves, flower
Buxus Boxweed Leaves, Stems
Clycanthus spp. Carolina allspice sap
D. mezereum Daphne Berries (Red & yellow)
Hydrangea macrophylla Hydrangea flower bud
Ilex spp. Holly, American Holly,
 English Holly
Fruit
Jasminium Jessamin, Jasmine Berries
Kalmia Mountain Laurel leaves, nectar
Laburnum Goldenchain Tree seeds
Ligustrum vulgare Privet all parts
Prunus spp. Apricot, Cherry, choke cherry, Peach, Plum Kernel in the pit
Quercus Oaks Foliage, acorns
Robinia pseudocacia Black Locust Bark, Foliage & Seeds
Sambucus Elderberry all parts
Taxus Yew all parts
Wisteria spp. Wisteria all parts

Bulbs

Botanical Name

Common Name

Toxic Parts

Amarylis Amarylis bulb
Caladium Caladium all parts
Colchium Autumn Crocus all parts
Crocus Crocus all parts
Galanthus Snowdrops all parts
Hyacinthus Hyacinth bulb
Narcissus Daffodil all parts
Ranunculus Buttercup all parts
Scilla Bluebell all parts
Tulipa Tulip bulb

House Plants

Botanical Name

Common Name

Toxic Parts

Aloe Aloe sap
Anthurium Flamingo Flower all parts
Areca catheau Betal Palm seeds
Caladium Hybride Caladium All Parts
Caesalpinia Bird of Paradise seeds, pod
Cycas False Sago Palm seeds
Diffenbachia Dumb Cane all parts
Epipremnum Pothos all parts
Hedera helix L. English Ivy Leaves, Berries
Ilex Aquifolium English Holly Berries
Iuphorbia Crown of Thorns sap
Lantana camara Lantana green berries
Nerium Oleander all parts
Poinsettia Poinsettia leaves
Philodendron Philodendron leaves, stem
Ricinus communis Castor Bean seeds, leaves
Solanum spp. Jerusalem Cherry all parts
Zantendschia aethiopica Calla Lily leaves, roots
Vegetable Garden    
Botanical Name Common Name Toxic Parts
Solanum Tubersum Potato Foliage, Green parts of vegetable
Rheum rhabarbarum Rhubarb Leaf Blade
Salanum lycopersicum Tomato Vines

Animal Poisonous Plant List

Please note that this list is a reference only! You should contact your veterinarian for consultation and/or treatment if your pet has ingested poisonous plant matter.

The following list contains plants that have been reported to have systemic effects on animals and / or intense effects on the gastrointestinal tract. The information is not all-inclusive, but instead, a compilation of the most frequently encountered plants.

Aloe Amaryllis Andromeda Japonica
Asian Lily Asparagus Fern Australian Nut
Autumn Crocus Avocado Azalea
Bird of Paradise European Bittersweet American Bittersweet
Buckeye Buddhist Pine Branching Ivy
Caladium    
Calla Lily Castor Bean Ceramin (Cutleaf Philodendron)
Charming Diffenbachia Chinaberry Tree Chinese Evergreen
Christmas Rose Clematis Cordatum
Cornstalk Plant (Corn Plant) Cyads Cyclamen
Daffodil Daylily Devil's Ivy
Dumbcane Deadly Nightshade Easter Lily
Elephant Ears Emerald Feather (Emerald Fern) English Ivy
Fiddle Leaf Philodendron Flamingo Plant Florida Beauty
Foxglove Fruit Salad Plant Glacier Ivy
Gladiolas Glory Lily Gold Dieffenbachia
Gold Dust Dracaena Golden Pothos Green Gold Nephthysis
Hahn's self branching English Ivy Heartleaf Philodendron Hurricane Plant
Heavenly Bamboo Holly Horsehead Philodendron
Hyacinth Hydrangea Iris
Japanese Show Lily Japanese Yew (Yew) Jerusalem Cherry
KalanchoeLace Fern Lacy Tree Lily of the Valley
Macadamia Nut Madagascar Dragon Tree Marble Queen
Marijuana Mauna L a Peace Lily (Peace Lily)
Mexican Breadfruit Mistletoe American  
Morning Glory Mother-in-Law Narcissus
Needlepoint Ivy Nephthytis Nightshade
Oleander Onion Orange Daylily
Panda Peace Lily (Mauna Loa Peace Lily)  
Philodendron Pertusum Plumosa Fern Precatory Bean
Queensland Nut Red Emerald Red Lily
Red-Margined Dracaena (Straight-Margined Dracaena) Red Princess Rhododendron
Ribbon Plant (Dracaena sanderiana) Rubrum Lily Saddle Leaf Philodendron
Sago Palm Satin Pothos Schefflera
Spotted Dumbcane Stargazer Lily Striped Dracaena
Sweetheart Ivy Swiss Cheese Plant Taro Vine
Tiger Lily Tomato Plant Tree Philodendron
Tropic Snow Dumbcane Tulip Variable Dieffenbachia
Variegated Philodendron Warneckei Dracaena Wood Lily
Yesterday Today Tomorrow Yew Yucca