Alphabetical List of Poisonous Plants and Parts of Plants.
Resource List at bottom.

Acokanthera - fruit and flowers

Aconite - roots, flowers and leaves

African mask Alocasia sp. - oxalate containing

Aloe Vera -

Alocasia species - oxalate containing

Amaryillis A. Belladonna - bulbs contain alkaloids

Anenome (wildflower) - flower

Angel Trumpet Tree Datura arborea - flowers and leaves

Apple Seeds Malus sp. - seeds

Apricot Pits - very dangerous

Asparagus Fern

Atropa Belladonna - all parts, expecially black berries

Autumn Crocus - bulbs

Avocado - fruit and pitAzaleas Rhododendron sp. - all parts fatal

Baby’s Breath

Balsam - whole plant

Balsam pear - seeds, outer rind of fruit

Bane Berry - red or white berries, roots and foliage

Beach Pea Lathyrus maritimus -

Betel Nut Palm - all parts

Bird of Paradise - seeds

Bittersweet Solanum celatrus, dulcamera - berries

Black Locust - bark, sprouts and foliage

Bleeding Heart - foliage and roots

Blue-green Algea - some forms toxic

Bluebonnets Lupinus - all parts

Bottlebrush - flowers

Boxwood Burus sempervirens - all parts

Buckeye Aesculus sp. - sprouts and nuts

Buckthorn Rhamnus sp. - leaves, fruit

Buttercup - all parts

Caladium - all parts, oxalate-containing

Calla Lilly - all parts

Cardinal Flower - all parts

Carnation - all parts

Carolina Jesamine - flowers, leaves and sap

Casava Euphorbiacea - roots

Castor Bean Ricinus communis - seeds are fatal

Chalice vine - all parts

Cherry Laurel - all parts are very dangerous, contains hydrocyanic acid

Cherry seeds Prunus sp. - very dangerous

Cherry trees (wild & cultivated) Prunus sp. - twigs and foliage are fatal

China Berry tree - berries are poisonous

Chinese Taro Alocasia sp. - oxalate containing

Chinese Evergreen - Aglaonema modestum - oxolate containing

Chokecherry Prunus sertina - withered leaves are very poisonous

Christmas Berry Toyo - berries are poisonous

Christmas Candle - sap

Christmas Rose Helleborus niger - all parts, especially the leaves

Columbine Aquilegia - all parts

Common Privet - black or blue wax coated berries and leaves

Coral plant - seeds

Crab's Eye Abrus precatorius - seeds commonly called "beans" are fatal

Crocus - all bulbs

Croton Euphorbiacea - inside are safe, outdoor plants are dangerous

Crown of Thorns - leaves and flowers

Cuckoo pint Arum maculatum

Curcas Bean - seeds and oil

Cyclamen

Daffodil Narcissus sp. - bulbs may be fatal

Daphne - berries are fatal

Datura - Berries

Deadly amanita - all parts

Deadly Nightshade Solanum .... - all parts, unripe fruit and foliage

Death-camas Sygodenus veneous - all parts poisonous, root deadly

Delphinium - all parts

Destroying Angel Amanita phalloides - all parts

Dianthus - all parts

Dieffenbachia Dieffenbachia sp. - all parts, especially sap

Dogwood Cornus - fruit slightly poisonous

Doll's Eyes - red or white berries, roots and foliage

DumbCane Dieffenbachia sp. - all parts, especially sap

Dutchman's Britches - foliage and roots

Easter Lilly

Eggplant - all parts but fruit

Elderberry - leaves, shoots, and bark

Elephant Ears Colocasi antiquorum - entire plant and fruit is poisonous

English Ivy Hedera helix - berries

Euphorbia - leaves and flowers

European bittersweet - all parts, especially unripe berries

False Heliebore Veratrum sp...- all parts poisonous, root is deadly

False Henbane - all parts

Fly Agarid - whole plant

Fly Amanita mushroom - whole plant

Four O'clock - whole plant

Foxglove Digitalis purpurea - whole plant can be fata

Geranium

Gelsemium Crodina jessamine - whole plant

Golden Chain Laburnum sp. - seeds and pods may be fatal

Heliebore Ranunculaccea - all parts

Hemlock Roots Cicuta, Tsuga.. - all parts

Henbane - all parts

Hibiscus

Holly Ilex aquifolium, opaca, and vomitoria - leaves and berries

Horse Chestnut - all parts

Horse Nettle - all parts, especially unripe berries

Horsetail Reed - all parts

Hyacinth bulbs Hyacinthus orientalius - can be fatal

Hydrangea - whole plant

Impatiens - whole plant

Indian turnip - all parts

Iris - underground stems

Ivy - all parts

Jack-In-the Pulpit Arisaema triphylla - root is irritant and astringent

Jasmine,yellow - all parts

Jassamine Gelsemium sempervirens - berries are fatal

Jatropha - seeds and oil

Java bean - uncooked bean

Jequirity Bean Abrus precatorius - "beans" are fatal

Jerusalem Cherry Solanum pseudocapsicum - fruits and leaves

Jimson weed Datur stramomium - all partsJuniper Juniperus sabina - all parts

Lady Slipper Cypripedium spectabiles - all parts

Lambkill Kalmia angustifolia - leaves

Lantana Camara - green berries are fatal

Larkspur Delphinium - foliage and roots & dangerous, seed may be fatal

Laurels Prunus sp. - all parts are fatal

Lily - many species

Lily of the Valley Convallaria majalis - all parts

Lobelia - all parts

Locoweed - all parts

Lords and ladies Arum maculatum - all parts

Lupine Lupinus - seeds

Machineel - all parts

Marijuana - all parts

Mayapple Podophullum - all parts

Mescal - all parts

Milkweed Asclepias - all parts

Mistletoe Phoradendron flavescens - berries are fatal

Moccasin Flower Cypripedium spectabiles - all parts

Mock Orange Primus caroliniana - all parts

Monkshood Aconitum ransomculacea - all parts

Moonseed - berries may be fatal

Morning Glories Ipomea - all parts

Mountain Laurel Kalmia laufolia - young leaves and shoots are fatal

Mushrooms and Toadstools (wild types) -

Narcissus bulbs - can be fatal

Natal Cherry Solanum - berries

Nicotiana (wild and cultivated) - leaves

Nightshades - all parts, especially unripe berries

Oaks Quercus sp. - foliage and acorns

Oleander Nerium oleander - foliage

Onion - potentially toxic

Peach pits - or wilting leaves very dangerous

Pear Seeds - very dangerous

Peony Paeonia - all parts

Peregrina - seeds and oil

Periwinkle - whole plant

Peyote - all parts

Philodendron - leaves and sap

Pikeweed - leaves, roots, immature berries

Pinks - all parts

Plum Seeds - very dangerous

Poinsettia Exphorbia pulcherrina - leaves and sap are fatal

Poison Hemlock Carium maculatum - all parts are fatal

Poison Ivy Rhus nadicans - all parts

Poison Oak Rhus diversiloba, R. soxicondendron -

Poison Sumac Rhus radicans - all parts

Pokeberry Phytolacca - roots are dangerous

Pokeweed Phytolacca - roots are dangerous

Poppy All except California Poppies -

Potato - sprouts and foliage are fatal

Precatory Bean Abrus precatorius - "beans" are fatal

Primrose

Privet Ligustrum - leaves and fruit

Psychic Nut - seeds and oil

Purge Nut - seeds and oil

Ranunculus - all parts

Red Sage - green berries are fatal

Redwood - wood chips poisonous to fish, turtles & other aquatic animals

Rhododendrons - all parts fatal

Rhubarb Rheum rhaponticum - leaves and leaf blade are fatal.

Ribbon Plant

Rosemary - leaves of some varietied harmless, others are poisonous

Rosemary Pea Abrus precatorius - "beans" are fatal

RumCherry Prunus sertina - withered leaves are very poisonous

Sage - leaves of some varieties are harmless, others are poisonous

Sago Palm

Schefflera

Scotch Broom Cytisus scoperious - seeds

Senecio - whole plant

Sheep laurel Kalmia angustifolia - leaves

Skunk cabbage Lysichitum - roots

Snapdragon Antirrhinum - all parts

Snapweed - whole plant

Snow on the mountain - all parts

Snowberry Symphoricarpos racemosus - fruit

Snowdrop - all parts, especially buds

Spurge - leaves and flowers

Squirrel Corn Dicentra canadensis - all parts

Star of Bethlehem Crnithogalum - all parts

Stranomium - all parts

Sweet Pea - stems

Sweet William - all parts

Tabacco plant - all parts

Tansy Tanacetum - all parts

Taro Calocasia spp.- stem and leaves

Thorn apple Datur stramomium - all parts

Tiger Lilly Lilium tigrinum - all parts

Toadstools -

Tomato - foliage and vines

Touch-Me-Not - whole plant

Tree of Heaven Ailanthus altissima - bark, roots

Trumpet Vine - all parts

Tulip bulbs -

Varigated Rubber Plant

Venus Flytrap Dionaea - all parts

Virginia Creeper - sap

Water dragon Calla palustris - oxalate-containing

Water Hemlock Cicuta maculata - all parts, especially the root are fatal

Weeping Fig

Wild Arum Calla palustris - oxalate-containing

Wild Black Cherry Prunus sertina - withered leaves are very poisonous

Wild Calla Calla palustris - oxalate-containing

Wisteria - seeds and pods

Yam bean - roots, immature pods

Yellow Jasmine - all parts

Yellow Oleander - all parts, especially kernels of the fruit

Yews Taxus - foliage and berries

 

 



Resources:

Birds USA: Beware!

Col. State Univ., Coop Ext. Serv. Bulletin 466A

Plants That Poison compiled by the San Diego Turtle and Tortoise Society

National Animal Poison Control Center