The following are the 17 poisonous plants for a dog:


Members of the Lilium spp. are considered to be highly toxic to dogs. Although, the poisonous component has not yet been identified. However, it is clear that with ingestions of very small amounts of this plant, severe kidney damage could result.


Ingestion of Cannabis sativa by pets can result in depression of the central nervous system and incoordination. As well as vomiting, diarrhea, drooling, increased heart rate, and even seizures and coma.

Sago Palm

All parts of Cycas Revoluta are poisonous, but the seeds or “nuts” contain the largest amount of toxin. However, the ingestion of just one seed can result in very serious effects. Including vomiting, diarrhea, depression, seizures and liver failure.

Tulip/Narcissus bulbs

The bulb portions of Tulipa spp. contain toxins that can cause intense gastrointestinal irritation, drooling, loss of appetite, depression of the central nervous system, convulsions, and cardiac abnormalities.


Members of the Rhododenron spp. contain substances known as grayantoxins. They can produce vomiting, drooling, diarrhea, weakness, and depression of the central nervous system in pets. Severe azalea poisoning could ultimately lead to coma and death from cardiovascular collapse.


All parts of Nerium oleander are toxic. As they contain cardiac glycosides that have the potential to cause serious effects. Including gastrointestinal tract irritation, abnormal heart function, hypothermia and even death.

Castor Bean

The poisonous principle in Ricinus communis is ricin. re As a result of the highly toxic protein that can produce severe abdominal pain, drooling, vomiting, diarrhea, excessive thirst, weakness and loss of appetite. Severe cases of poisoning can result in dehydration, muscle twitching, tremors, seizures, coma, and death.


Cyclamen species contain cyclamine. The highest concentration of this toxic component is typically located in the root portion of the plant. If consumed, Cyclamen can produce significant gastrointestinal irritation. Including intense vomiting. Also, Fatalities have been reported in some cases.


This plant contains components that can produce gastrointestinal irritation. as well as those that are toxic to the heart, and can seriously affect cardiac rhythm and rate.


Taxus spp. contains a toxic component known as taxine. Which causes central nervous system effects such as trembling, incoordination, and difficulty breathing. Also cause significant gastrointestinal irritation and cardiac failure. Which can result in death.


Amaryllis species contain toxins. Because of these toxins they can cause vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia, and tremors.

Autumn Crocus

Due to ingestion of Colchicum autumnale by pets can cause an oral irritation, bloody vomiting, diarrhea, shock, multi-organ damage and bone marrow suppression.


These contain pyrethrins that may produce gastrointestinal upset. Including drooling, vomiting, and diarrhea if eaten. In certain cases, depression and loss of coordination may also develop if enough of any part of the plant is consumed.

English Ivy

Also called branching ivy, glacier ivy, needlepoint ivy, sweetheart ivy and California ivy. These contain triterpenoid saponins. In the event that your pet ingest it can result in vomiting, abdominal pain, hypersalivation, and diarrhea.

Peace Lily (AKA Mauna Loa Peace Lily)

Spathiphyllum contains calcium oxalate crystals. In the event that this plant is near your pet it can cause oral irritation, excessive drooling, vomiting, difficulty in swallowing and intense burning and irritation of the mouth, lips, and tongue in pets who ingest.

Pothos (both Scindapsus and Epipremnum)

Belongs to the Araceae family. In the event that the dog chews or ingests this plant can cause significant mechanical irritation and swelling of the oral tissues and other parts of the gastrointestinal tract.


Schefflera and Brassaia actinophylla contain calcium oxalate crystals. Beccause of this it can cause multiple things. For example, oral irritation, excessive drooling, vomiting, and difficulty in swallowing and intense burning and irritation of the mouth, lips, and tongue in pets who ingest.

Thanks to ASPCA for the information on the 17 poisonous plants!