| Plant Name |
Toxic portion(s) |
| Acokanthera |
Flowers and fruit |
| Aconite (monk's hood) |
Roots, flowers, leaves and seeds |
| Amaryllis |
Bulb, stem, flower parts |
| Amsinckia (Tarweed) |
Foliage and seeds |
| Anemone |
Leaves, flowers |
| Apple (seeds only) |
Seeds (only if crushed) |
| Apricot (seeds only) |
Inner seeds |
| Autumn crocus |
Bulbs |
| Avocado |
Foliage |
| Azalea |
Foliage, flowers |
| Baneberry |
Foliage, fruits |
| Beach pea |
Foliage, peas, and pods |
| Betal nut palm |
All parts |
| Belladonna |
Berries and other parts |
| Bittersweet |
Berries |
| Bird of paradise |
Foliage, flowers, seed pods |
| Black locust |
Bark, sprouts, and foliage |
| Bleeding heart |
Foliage, flowers, and roots |
| Bloodroot |
All parts |
| Bluebonnet |
Foliage and flowers |
| Bottlebrush |
Flower parts |
| Boxwood |
Foliage and twigs |
| Buckeye horse chestnut |
Sprouts and nuts |
| Buttercup |
All parts |
| Caladium |
All parts |
| Calla lily |
All parts |
| Cardinal flower |
All parts |
| Carolina jessamine |
Foliage, flowers, and sap |
| Casava |
Roots |
| Castor bean |
Uncooked beans |
| Chalice or trumpet vine |
All parts |
| Cherry (inner seeds only) |
Inner pit seeds |
| Cherry laurel |
Foliage and flowers |
| China berry tree |
Berries |
| Christmas berry |
Berries |
| Christmas cactus (Euphorbia) |
Entire plant |
| Christmas rose |
Foliage and flowers |
| Columbine |
Foliage, flowers, seeds |
| Common privet |
Foliage and berries |
| Coral plant |
All parts |
| Crocus |
Bulbs |
| Croton |
Foliage, shoots |
| Cyclamen |
Foliage, stems, and flowers |
| Daffodil |
Bulbs, foliage, flowers, and pods |
| Daphne |
Berries |
| Death camus |
All parts are toxic; esp. roots |
| Deadly nightshade |
Foliage, unripe fruit, sprouts |
| Delphinium |
Bulbs, foliage, flowers and seeds |
| Destroying angel (death cap) |
All parts of the mushroom |
| Dogwood |
Fruit mildly toxic |
| Dumb cane (Dieffenbachia) |
Foliage |
| Eggplant |
Foliage only |
| Elderberry |
Leaves, bark, and shoots |
| Elephant ear (taro) |
Foliage |
| English ivy |
Esp. berries |
| Euphorbia (spurge(s)) |
Foliage, flowers, latex-like sap |
| False hellebore |
All parts |
| Fiddleneck (Senecio) |
All parts |
| Fly agaric (amanita, deathcap) |
All parts (cap and stem) |
| Four o'clock |
All parts |
| Foxglove |
Foliage and flowers |
| Gelsemium |
All parts |
| Golden chain |
Seeds and pods |
| Hemlock roots (water & poison) |
All parts |
| Henbane |
All parts |
| Holly, English and American |
Foliage and berries |
| Horse chestnut |
All parts |
| Horsetail reed (Equisetum) |
All parts |
| Hyacinth |
Bulbs, foliage and flowers |
| Hydrangea |
All parts |
| Impatients (touch-me-not) |
All parts |
| Iris (flags) |
Bulbs and roots, foliage and flowers |
| Ivy (all forms) |
Foliage and fruit |
| Jack-in-the-pulpit |
Roots are mildly toxic |
| Jasmine |
Foliage and flowers, esp. nectar |
| Jasmine, star |
Foliage, flowers |
| Jatropha |
Seeds and oily sap |
| Jerusalem cherry |
Foliage and fruit |
| Jessamine |
Berries |
| Jimson weed (thorn apple) |
Foliage, flowers and pods |
| Johnson grass, wilted |
All parts |
| Lambkill (sheep laurel) |
Foliage |
| Lantana camara |
Foliage, flowers, and esp. berries |
| Larkspur |
Entire young plant; seeds & pods |
| Laurel |
All parts |
| Lily of the valley |
Foliage and flowers |
| Lobelia |
All parts |
| Locoweed |
All parts |
| Locust(s) |
All parts |
| Lupine |
Esp. seeds and pods, foliage |
| Machineel |
All parts |
| Marijuana |
All parts |
| May apple |
Fruit |
| Mescal |
All parts may be toxic |
| Milk weed |
Foliage |
| Mistletoe |
Foliage and berries |
| Moccasin flower |
Foliage and flowers |
| Monkshood |
Entire plant, including roots |
| Moonseed |
Berries |
| Morning glory |
Foliage, flowers, and seeds |
| Mountain laurel |
Young leaves and shoots |
| Mushrooms (some wild forms) |
Entire cap and stem |
| Narcissus |
Bulb, flowers |
| Natal cherry |
Berries, foliage |
| Nectarine (inner seed only) |
Only inner pit seeds |
| Nicotine, tree, bush, flowering |
Foliage and flowers |
| Nightshades |
All parts, esp. unripe fruits |
| Oak trees |
Leaves and acorns |
| Oleander |
Foliage, stems, and flowers |
| Peach (inner seed only) |
Inner pit seeds |
| Pear (seeds only) |
Seeds (only if crushed) |
| Pennyroyal |
Foliage and flowers |
| Peony |
Foliage and flowers |
| Periwinkle |
All parts |
| Philodendrons, some species |
All parts |
| Pinks |
All parts |
| Plum (seeds only) |
Inner seeds; foliage can be toxic |
| Poinsettia |
Foliage, flowers and latex sap |
| Poison hemlock |
Foliage and seeds |
| Poison ivy |
Foliage and fruit |
| Poison oak |
Foliage and fruit |
| Poison sumac |
Foliage and fruit |
| Pokewood or pokeberry |
Roots, fruit |
| Poppy (except California) |
All parts |
| Potato |
Raw foliage and sprouts ("eyes") |
| Privet |
Berries, foliage |
| Redwood |
Resinoids leached when wood is wet |
| Rhubarb |
Uncooked foliage and stems |
| Rhododendron |
Foliage and flowers |
| Rosary pea |
Foliage, flowers and peapods |
| Rosemary |
Foliage in some species |
| Russian thistle |
Foliage and flowering parts |
| Sage |
Foliage in some species |
| Salmonberry |
Foliage and fruit |
| Scarlet pimpernel |
Foliage, flowers and fruit |
| Scotch broom |
Seeds |
| Senecio ("fiddle neck") |
All parts |
| Skunk cabbage |
Roots |
| Snapdragon |
Foliage and flowers |
| Spanish bayonet |
Foliage and flowers |
| Squirrel corn |
Foliage, flowering parts, and seeds |
| Sudan grass, wilted |
All parts |
| Star of Bethlehem |
Foliage and flowering parts |
| Sundew |
Foliage |
| Sweetpea |
Stems |
| Tansy |
Foliage and flowers |
| Taro (elephant ears) |
Foliage |
| Tarweed |
Foliage and seeds |
| Tiger lily |
Foliage, flowers, and seed pods |
| Toad flax |
Foliage |
| Tomato plant |
Foliage and vines |
| Toyon berry |
Berries |
| Tree of heaven |
Foliage and flowering parts |
| Trillium |
Foliage |
| Trumpet vine |
All parts |
| Tulip |
Bulb, foliage, and flowering parts |
| Venus flytrap |
Foliage and funnel flowering parts |
| Verbena |
Foliage and flowers |
| Vetch (several forms) |
Seeds and pods |
| Virginia creeper |
Foliage and seed pods |
| Water hemlock |
Roots and foliage |
| Wild parsnip |
Underground roots and foliage |
| Wisteria |
Foliage, seeds, and pods |
| Yellow star thistle |
Foliage and flowering parts |
| Yew |
Foliage |
