Humane Society of Central Illinois
Unhappy Cat

Toxic Plants and Other Items Dangerous to Pets

Some indoor as well as outdoor plants are toxic to pets, as well as other items. This list is primarily a collection of common toxic plants. It is not a list of all poisonous plants. In some types of vegetation, only certain parts of the plants are toxic. In others, all parts are poisonous.

Ingestion causes a wide range of symptoms. These may include: mouth irritation, drooling, vomiting, diarrhea, hallucinations, seizures, and coma. If any of these symptoms occur, do not delay in getting your pet to a veterinarian. Even death can occur from nibbling some of the following plants or other items on the list.


  • Acetaminophen and non-steroidal anti-inflammatories
  • Amaryllis
  • Antifreeze
  • Arrowhead Vine / Nephthysis
  • Asparagus Fern
  • Azalea
  • Bird of Paradise
  • Boston Ivy
  • Chocolate
  • Chrysanthemum
  • Creeping Charlie / Pilea
  • Creeping Figs / Ficus
  • Crown of Thorns
  • Drunk Cane / Dumb Cane (Dieffenbachia)
  • Elephant Ears / Taro
  • Emerald Duke
  • Grapes and Raisins (dogs)
  • Ivy (Hedra) - All varieties, including English,
    Heart, Needlepoint, Parlor, and Ripple
  • Jerusalem Cherry (all cherry varieties)
  • Lilies
  • Macadamia nuts (dogs)
  • Mistletoe (berries)
  • Most bulb plants
  • Onions and garlic
  • Peace Lillies
  • Philodendrons
  • Poinsettia
  • Pot Mums
  • Pothos
  • Prescription or illegal drugs
  • Red Princess
  • Rodenticides
  • Sperengeri Fern
  • Spider Mum
  • Umbrella Plant
  • Weeping Fig (Ficus benjamina)
  • Xylitol

HSCI