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Northampton Veterinary Clinic

Toxic Plants

A Brown Dog Lying on Grass Next to a Plant Pot Outside

10 Most Common Poisonous Plants

  1. Marijuana - Depression of the central nervous system and incoordination, diarrhea, vomiting, drooling, increased heart rate, seizures and coma.

  2. Sage Plant - Vomiting, diarrhea, depression, seizures and live failure

  3. Lilies - Severe kidney damage

  4. Tulip/ Narcissus Bulb - Intense gastrointestinal irritation, drooling, loss of appetite, depression of the central nervous system, convulsions and cardiac abnormalities.

  5. Azalea/ Rhododendron - Vomiting, drooling, diarrhea, weakness and depression of the central nervous system. Severe poisoning can lead to coma and death from cardiovascular collapse.

  6. Oleander - Gastrointestinal tract irritation, abnormal heart function, hypothermia and death

  7. Castor Bean - Severe abdominal pain, drooling, vomiting, diarrhea, excessive thirst, weakness and loss of appetite – severe cases can result in dehydration, muscle twitching, tremors, seizures, coma and death

  8. Cyclamen - Gastrointestinal irritation, intense vomiting and even death

  9. Kalanchoe - Gastrointestinal irritation and arrhythmia

  10. Yew - Trembling, incoordination, difficulty breathing, gastrointestinal irritation, and cardiac failure