Top Poisonous Plants for Dogs and Cats

Listed below are some of the most poisonous plants for dogs and cats. While there are thousands of species of plants and flowers, only a small percentage of plants are truly dangerous and poisonous to your pet. Make sure you know which plants are most toxic and do your best to avoid your dog or cat from eating any part these poisonous flowers and poisonous plants.
If you suspect your pet has ingested any of the following plants, please call us immediately!
970.925.2611 or call Animal Poison Control Center (APCC) – (888) 426-4435, www.aspca.org/pet-care

Amaryllis

Common garden plants popular around Easter, Amaryllis species contain toxins that can cause vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia and tremors.

Autumn Crocus

Ingestion of Colchicum autumnale by pets can result in oral irritation, bloody vomiting, diarrhea, shock, multi-organ damage and bone marrow suppression.

Azalea/Rhododendron

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

Chrysanthemum

These popular blooms are part of the Compositae family, which 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.

Cyclamen

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

Dieffenbachia

Popular in many homes and offices, dieffenbachia can cause intense oral irritation, drooling, nausea, vomiting and difficulty swallowing if ingested.

Kalanchoe

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.

Lilies

Members of the Lilium spp. are considered to be highly toxic to cats. While the poisonous component has not yet been identified, ingestion of very small amounts of the plant can cause severe kidney damage.

Marijuana

Ingestion of Cannabis sativa by companion animals 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.

Oleander

All parts of Nerium oleander are considered to be 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.

Pothos

Pothos (both Scindapsus and Epipremnum) belongs to the Araceae family. If chewed or ingested, this popular household plant can cause significant mechanical irritation and swelling of the oral tissues and other parts of the gastrointestinal tract.

Sago Palm

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

Tulip/Narcissus bulbs

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

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