All Pets Veterinary Clinic


Common Name Scientific Family Toxic Parts Signs
Angel's Trumpet Datura species Whole plant Thirst, hallucinations, vision disturbances
Autumn Crocus Colchicum autumnate
Whole plant Vomiting, diarrhea, burns mucus membranes
Azalea Rhododendron species Leaves, flowers Vomiting, diarrhea, burns mucus membranes,
salivation, low blood pressure, decreased heart rate
Belladonna Lily Amaryllis species Bulbs Vomiting, diarrhea, decreased blood pressure
liver damage, depression
Bittersweet Celastrus species Weed, vine,
mature (red)
Vomiting, diarrhea, fever
Bleeding Heart Dicentra species Roots, leaves Vomiting, diarrhea, seizures, paralysis
Castor Bean Ricinus communis Seeds Vomiting, diarrhea, abdominal pain, thirst
Chinaberry tree Melia azedarach Bark, fruit Vomiting, diarrhea, confusion, staggering
Christmas Rose Helleborus niger Whole plant Vomiting, diarrhea, abdominal pain,
mouth pain, low blood pressure
Daphne Daphne mezereum Whole plant Selling and ulceration of lips and mouth
abdominal pain, drooling, vomiting, thirst
bloody diarrhea
Delphinium or Larkspur Delphinium species Seeds, leaves Weakness, drooling, salivation
English Holly Ilex species Fruit Vomiting, diarrhea
Foxglove Digitalis purpurea Whole plant Vomiting, diarrhea, abdominal pain,
decreased heart rate, cardiac irregularities
Golden chain Laburnum anagyroides Whole plant Vomiting, weakness, incoordination
increased heart rate, depression
Horse Chestnut or Buckeye Aesculus species Nuts, twigs Vomiting, diarrhea, dehydration
Iris Iris species Whole plant Vomiting, diarrhea, abdominal pain
Irish Potato Solanum tuberosum Vines, green skin,
Drooling, diarrhea, weakness,
decreased heart rate, low blood pressure
Jack-in-the-Pulpit Arisaema triphyllum Entire plant Swelling and inflammation of
tonsils, mouth structure, drooling
Lantana Lantana camara Leaves, immature
Vomiting, diarrhea, weakness
decreased respirations
Easter and Tiger Lily
Lilium & Hemerocallis
Whole plant Kidney failure, decreased or absent
urination, vomiting
Lily of the Valley Convallaria majalis Seeds, flowers,
Vomiting, diarrhea, abdominal pain
decreased heart rate
Lupine Lupinus species Seeds, leaves Drooling, seizures, respiratory
difficulty, weakness
Mistletoe Phoradendorn species Leaves, stems,
Vomiting, diarrhea, abdominal
pain, shock
Monkshood Aconitum species Entire plant Vomiting, drooling, decreased
heart rate
Moonseed Menispermum canadense Fruit Seizures
Morning Glory Ipomoea purpurea &
Seeds Vomiting, diarrhea, hallucinations
Mountain laurel Kalmia species Leaves, flowers Vomiting, diarrhea, drooling,
weakness, vision disturbances
Narcissus, Daffodil Narcissus species Bulb Vomiting, diarrhea, low
blood pressure
Nettle Urtica diocia Hairs on leaves Drooling, swelling and pain
in mouth, oral irritation
Oleander Nerium oleander Whole plant Vomiting, diarrhea, abdominal
pain, low heart rate, heart
Philodendron Monstera & Philodendron
Leaves Swelling of mouth, tongue, lips
Poinsettia Euphorbia pulcherrima Sap of stem,
Vomiting, mouth, skin
Rhubarb Rheum rhaponicum Leaves Vomiting, diarrhea, kidney
Rosary Pea or
Precatory Bean
Abrus precatorius Seeds Vomiting, diarrhea, weakness
kidney failure, coma, death
Thron Apple or Jimsonweed Datura stramonium Whole plant Thirst, vision disturbances
Tobacco Nicotiana tabacum Whole plant Vomiting, drooling, tremors
incoordination, collapse, respiratory
Wisteria Wisteria species Whole plant Vomiting, abdominal pain
Yellow Jessamine Gelsemium sempervirens Flowers Seizures, abdominal pain
Yew Taxus cuspidata &
Taxus baccata
Whole plant
except ripe fruit
Sudden death, trembling,
collapse, heart irregularities
List of plants and signs taken from 5 Minute Veterinary Consultant, appendix VI.

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Karen Blakeley, DVM, MPH
Last update: 27 February 2003