Toxic Plants to Animals
Plant (Toxic Portion) – Symptom
* Aloe (latex under skin) – vomiting
* Acocanthera (fruit and flowers)
* Amaryllis (bulbs) – nausea, vomiting, diarrhea, salivation, tremors
* American Bittersweet (entire plant) – vomiting, diarrhea
* American Holly (fruit) – nausea, vomiting
* Amsinckia — Tarweed (foliage, seeds)
* Anemone — wildflower (all parts)
* Angel’s Wings (leaves and stems) – mouth pain, swelling, dermatitis
* Angel Trumpet Tree (flowers and leaves)
* Apple (seeds)
* Apricot (all parts, especially pits, inner seed)
* Arrowhead Vine (entire plant) – mouth and throat swelling, gastroenteritis
* Atropa Belladona (all parts, especially black berries)
* Australian Ivy Palm (leaves) – burning mouth, drooling, vomiting
* Australian Nut (nut) – vomiting, tremors, depression, staggering, weakness, increased heart rate
* Autumn Crocus (plant and bulbs) – mouth pain, vomiting, shock, severe cramps, renal damage
* Avocado (all parts)
* Azalea (all parts)
* Balsam pear (seeds, outer rind of fruit)
* Baneberry (berries, roots, foliage)
* Be Still Tree (plant and seeds) – vomiting, cramps, cardiac, death
* Beach Pea (all parts)
* Betel Nut Palm (all parts)
* Belladonna (all parts) – fever, urine retention, respiratory paralysis, coma, death
* Bird of paradise (seeds) – vomiting, diarrhea
* Bittersweet (berries)
* Black locust (bark, sprouts, foliage)
* Bleeding Heart (foliage, roots)
* Bluebonnet (all parts)
* Bluegreen Algae (some forms are toxic)
* Bloodroot (all parts)
* Bottlebrush (flowers)
* Boxwood (all parts)
* Buckeye Horse Chestnut (sprouts, nuts) – severe gastroenteritis, death
* Buckthorn (fruit, bark)
* Buddhist Pine (seeds and leaves) – diarrhea
* Buttercup (sap, bulbs)
* Calla lily (all parts)
* Caladium (all parts)
* Cardinal Flower (all parts)
* Carolina Jessamine (foliage, flowers, sap)
* Cassava (roots)
* Castor bean (oil, beans, leaves) – bloody diarrhea, muscle twitches, convulsions, coma, death
* Ceriman — Mexican Bread Fruit (all parts) – drooling, vomiting, mucous membrane irritation
* Chalice vine — Trumpet vine (all parts)
* Cherry tree (bark, twigs, leaves, pits)
* Cherry Laurel (foliage, flowers)
* Chinaberry tree (bark, berries) – lethargy, stupor, vomiting, diarrhea, shock, convulsions, paralysis, breathing difficulty
* Christmas Berry (berries)
* Christmas Cactus (sap)
* Christmas candle (all parts)
* Christmas Rose (foliage, flowers) – mouth irritation, vomiting, cramping, diarrhea, convulsions
* Columbine (foliage, flowers, seeds)
* Common Privet (foliage, berries)
* Coral plant (all parts)
* Crocus (bulbs)
* Croton (foliage, shoots)
* Cyclamen (foliage, stems, flowers) – vomiting, diarrhea, contact dermatitis
* Daffodil (bulbs, foliage, flowers, pods) – vomiting, nausea, diarrhea
* Daphne (berries)
* Datura — Jimsonweed (berries, leaves, seeds)
* Deadly amanita (all parts)
* Deadly nightshade (all parts) – fever, urine retention, respiratory paralysis, coma, death
* Death camas (all parts)
* Death cap mushroom (all parts)
* Dephinium (all parts)
* Deiffenbachia — Dumb cane (leaves)
* Destroying Angel — Death cap (all parts)
* Devil’s Ivy (all parts) – burning lips, mouth, tongue, tight throat, drooling
* Dogwood — (fruit)
* Dumb Cane (leaves) – dermatitis, diarrhea, vomiting
* Dutchman’s Breeches (foliage, roots)
* Eggplant (all parts but fruit)
* Elderberry (foliage)
* Elephant’s Ear — Taro (leaves, stem) – mouth pain, swelling, dermatitis
* English ivy (berries, leaves)
* Equisetum (all parts)
* Euphorbia — Spurges (foliage, flowers, sap)
* False Hellebore (all parts)
* False henbane (all parts)
* Fiddleneck — Senecio (all parts)
* Flamingo Flower (leaves and stems) – burning tongue, throat and mouth
* Fly Agaric — Amanita (all parts)
* Four O’Clock (all parts)
* Foxglove (leaves, seeds) – dizziness, nausea, vomiting, diarrhea, irregular heartbeat
* Gelsemium (all parts)
* Ghostweed (all parts)
* Golden chain — Laburnum (all parts, especially seeds)
* Gladiolus (bulb) – vomiting, diarrhea, depression, salivation
* Hemlock (all parts, especially roots and seeds)
* Henbane (seeds)
* Holly — English and American (berries)
* Horse Chestnut (nuts, twigs)
* Horsetail Reed — Equisetum (all parts)
* Hyacinth (bulbs) – diarrhea, vomiting
* Hydrangea (flower buds) – lethargy, vomiting, convulsions, coma, death
* Indian turnip — Jack-in-the-pulpit (all parts)
* Impatiens — Touch-me-not (all parts)
* Iris (bulbs) – vomiting, diarrhea
* Ivy — all forms (foliage, fruit) – throat burning, diarrhea, weakness, difficulty breathing
* Jasmine (foliage, flowers, sap)
* Jasmine star (foliage, flowers)
* Jatropha (seeds, sap)
* Java bean (uncooked bean)
* Jerusalem cherry (berries)
* Jessamine (berries)
* Jimsonweed (foliage, flowers, seed pods)
* Johnson grass (all parts)
* Juniper (needles, stems, berries)
* Laburnum (all parts)
* Lambkill — Sheep laurel (all parts)
* Lantana (foliage, flowers, immature berries)
* Larkspur (all parts)
* Laurel (all parts)
* Lily of the valley (All parts, including water they have been kept in) – burning mouth, salivation, vomiting, diarrhea, coma, convulsions, death
* Lima bean — Java bean (uncooked bean)
* Lobelia (all parts)
* Locoweed (all parts)
* Lords and ladies — Cuckoopint (all parts)
* Lupine (foliage, pods, seeds)
* Macadamia Nut (nut) – vomiting, tremors, depression, staggering, weak, increased heart rate
* Machineel (all parts)
* Marijuana (leaves)
* Mayapple (all parts, except fruit)
* Mescal bean (all parts)
* Milkweed (foliage)
* Mistletoe (berries) – vomiting, cramping, diarrhea, labored breathing, heart failure, death
* Moccasin flower (foliage, flowers)
* Mock orange (fruit)
* Monkshood (leaves, flowers, roots)
* Morning glory (all parts) – diarrhea, increased urination, hallucinations
* Mountain laurel (leaves, shoots) – vomiting, diarrhea, weakness, convulsions, difficulty breathing, death
* Mushrooms — most wild forms (caps, stems)
* Narcissus (bulbs)
* Natal cherry (berries, foliage)
* Nectarine (all parts, especially pits, inner seed)
* Nicotine bush (foliage, flowers)
* Nightshades (berries, leaves) – vomiting, lack of appetite, diarrhea, difficulty breathing, weakness, collapse, convulsions, death
* Oak (acorns, leaves)
* Old Man’s Beard (all parts) – hyper-salivation, bloody vomit and diarrhea, convulsions, mental confusion, paralysis
* Oleander (all parts) – vomiting, cramps, cardiac, death
* Peace Lily (all parts) – swelling and burning of mouth, throat, nausea, vomiting
* Peach (all parts, especially pits, inner seed)
* Pear (seeds)
* Pennyroyal (foliage, flowers)
* Peony (foliage, flowers)
* Periwinkle (all parts)
* Philodendron (leaves, stems) – pain and burning of the mouth, tongue, throat, contact dermatitis
* Pikeweed (leaves, roots, immature berries)
* Plum (foliage, inner seed)
* Poinsetta (leaves, flowers)
* Poison hemlock (foliage, seeds)
* Poison ivy (sap)
* Poison oak (foliage, fruit, sap)
* Poison sumac (foliage, fruit, sap)
* Pokewood — Poke cherry (roots, fruit)
* Poppy (all parts)
* Potato plant (new shoots, eyes)
* Privet (all parts)
* Redwood (resinoids, leached wet wood)
* Rhododendron (all parts) – vomiting, diarrhea, hyper-salivation, weakness, convulsions, coma, death
* Rhubarb (leaves, uncooked stems)
* Rosary peas (seeds, flowers, pods) – vomiting, nausea, diarrhea, ulcers in the mouth, hemorrhaging, loss of intestinal function, possible death
* Rosemary (foliage in some species)
* Russian thistle (foliage, flowers)
* Sage (foliage in some species)
* Salmonberry (foliage, fruit)
* Scarlet pimpernel (foliage, flowers, fruit)
* Scotch broom (seeds)
* Senecio — Fiddleneck (all parts)
* Skunk cabbage (all parts)
* Snapdragon (foliage, flowers)
* Snowdrop (all parts, especially buds)
* Snow on the mountain — Ghostweed (all parts)
* Spanish bayonet (foliage, flowers)
* Sudan grass (all parts)
* Star of Bethlehem (foliage, flowers)
* Sundew (foliage)
* Sweet pea (seeds and fruit)
* Tansy (foliage, flowers)
* Taro — Elephant’s ear (foliage)
* Tarweed (foliage, seeds)
* Thornapple (flowers, foliage, pods)
* Tiger lily (foliage, flowers, seed pods)
* Toad flax (foliage)
* Tobacco (leaves)
* Tomato plant (foliage, vines)
* Touch-me-not (all parts)
* Toyon berry (berries)
* Trillium (foliage)
* Trumpet vine (all parts)
* Tulip (bulb) – vomiting, diarrhea, depression, hypersalivation
* Venus flytrap (all parts)
* Verbena (foliage, flowers) – weakness, lethargy, vomiting, diarrhea
* Virginia creeper (sap)
* Water hemlock (roots, foliage)
* Wildflower (leaves, flowers)
* Wild parsnip (roots, foliage)
* Wisteria (all parts)
* Yam bean (roots, immature pods)
* Yellow star thistle (foliage, flowers) (all parts) – vomiting, depression, diarrhea, increased urination, incoordination, convulsions
* Yesterday, Today and Tomorrow
* Yew (American, English, Japanese) (needles, seeds) – vomiting, diarrhea, abdominal pain, irregular heartbeat, weakness, coma, cardiac or respiratory failure, death
Poor news – Syria’s ‘mutilation mystery’ deepens…