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Plants that can harm your pet
Listed below are the dangerous parts (in italics) of some plants and symptoms of ingestion. Listing is alphabetical by common plant name.  

Plant names and signs of poisoning:    

  • Asparagus Fern
    Allergic dermatitis with repeated exposure, berries may cause vomiting
  • Azalea, Rhododendron (Entire plant) 
    Vomiting and diarrhea plus depression of central nervous system and cardiovascular collapse, hyper-salivation, weakness, coma, hypotension
  • Caladium, Diffenbachia, Dumb Cane, Elephant Ears (Entire plant)
    Intense burning and irritation of mouth, tongue, and lips
  • Daffodil, Narcissus (Entire plant)
    Gastrointestinal disorders, convulsions, shivering, hypotension, muscular tremors and cardiac arrhythmia
  • English Ivy (Entire plant)
    Gastrointestinal upset, diarrhea, hyper-activity, dyspnea and coma, hyper-salivation, fever, polydipsia, mydrisis, muscular weakness and ataxia
  • Foxglove (Entire plant)
    Cardiac arrhythmia, vomiting, diarrhea, weakness
  • Holly (Entire plant)
    Vomiting and diarrhea plus central nervous system depression
  • Lilly of the Valley (Entire plant)
    Ataxia, vomiting, cardiac arrhythmia
  • Mistletoe (Entire plant)
    Gastrointestinal disorders, cardiovascular collapse, dyspnea, bardycardia, erratic central nervous system behavior
  • Morning Glory (Seeds)
  • Oleander (Entire plant)
    Vomiting, diarrhea, abnormal pulse, pulse rate arrhythmia, decreased body temperature, oral irritation
  • Philodendron (Entire plant)
    Intense burning and irritation of the mouth, tongue, and lips
  • Poinsettia (Entire plant)                                                                                                 Considered to be low in toxicity. May cause mild vomiting or nausea
  • Yew, Japanese Yew (Entire plant)
    Acute cardiac failure; early signs include muscular tremors, dyspnea
If you suspect your companion animal may have ingested a poisonous substance, you may wish to use a national animal poison control emergency service such as:

University of Illinois / ASPCA

National Animal Poison Control Center - 1-888-426-4435

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