Along with sunshine and warmer temperature, Spring is coming now. And we are now starting to see the colorful array of new vegetation and plants. Pet parents need to be aware of certain harmful plants that can cause serious health concerns to dog and cats companions. Following are the list of poisonous plants to your cat and dog:


Lily plants are considered highly toxic to cats. Although toxic ingredients have not been determined, it is clear that even a very small amount of plants can cause severe kidney damage.


Marijuana ingestion can lead to incoordination in animals’ central nervous system and movements, as well as vomiting, diarrhea, drooling, increased heart rate, and even convulsions and coma.

Sago Palm

All parts of the iron tree are toxic, but the seeds or “nuts” contain the largest amount of toxins. Just ingesting one or two seeds can cause very serious consequences, including vomiting, diarrhea, depression, seizures and liver failure.

Tulip / Narcissus

The rhizome part of the tulip / narcissus contains toxins, which can cause strong gastrointestinal irritation, drooling, loss of appetite, depression, central nervous system, whole body convulsions and abnormal heart.


The substances contained are known as grayantoxins and can produce vomiting, drooling, diarrhea, fatigue and depression in the animal’s central nervous system. Rhododendron poisoning is severe and may eventually lead to cardiovascular collapse, coma and death.


All parts of oleander are considered to be toxic because they contain cardiac glycosides, which may cause serious effects, including gastrointestinal irritation, abnormal heart function, low temperature, and even death.

Castor Bean

The toxic component of ricin is a highly toxic ricin protein that can cause severe abdominal pain, drooling, vomiting, diarrhea, thirst, fatigue, and loss of appetite. Severe poisoning may cause dehydration, muscle twitching, tremors, convulsions, coma, and death.


Cylamen varieties contain cyclamine, but the highest concentration of this toxic component is located in the root of the plant. If accidentally swallowed, Cylamen can produce significant gastrointestinal irritation symptoms, including severe vomiting. In some cases, deaths have also been reported.


Taxus contains toxic ingredients that can cause central nervous system effects such as tremors, uncoordinated movements, and difficulty breathing. It can also cause significant gastrointestinal irritation and heart failure, which can lead to death.

Hippeastrum Rutilum

The common garden plant popular around Easter, red vermilion species contains toxins, which can cause vomiting, depression, diarrhea, abdominal pain, excessive salivation, loss of appetite and tremors.

Autumn Crocus

The intake of autumn water by pets can cause oral irritation, bloody vomiting, diarrhea, shock, multiple organ dysfunction, bone marrow suppression.


These popular flowers are Asteraceae plants and contain pyrethrins. If you eat a portion, you may experience upset stomach, including drooling, vomiting and diarrhea. In some cases, coordinated actions may also be lost.


Also called branches, velvet ivy, dear ivy, and California ivy. Ivy contains triterpenoid saponins. Pets should ingest it. It can cause vomiting, abdominal pain, excessive salivation, and diarrhea.

Peace Lily (also known as Mauna Loa Peace Lily)

Siberian Crane contains calcium oxalate crystals, which can cause oral irritation, excessive drooling, vomiting, difficulty swallowing and violent burning and irritating mouth, lips and tongue ingestion in pets.


Schefflera and Brassia actinophylla contain calcium oxalate crystals, which can cause oral irritation, excessive drooling, vomiting, difficulty swallowing and violent burning and irritating mouth, lips and tongue ingestion in pets.

As a responsible pet owner, you should keep your pet away from poisonous plants in daily life or outdoor travel so as to make sure the health of your pet. Do not leave any poisonous plants near your pet, and alway pay attention to pet’s conditions.

More information about indoor cat risk, please click here: