Poisonous Plants for Dogs
Please protect your dog and don’t have these plants in your home or yard as they are highly toxic! This list is not all inclusive. If you know of others, please send us an email so we can update this list. Also, please see http://www.aspca.org/Pet-care/poison-control/Plants?plant_toxicity=toxic-to-dogs (includes photos) as we continue to update this list of hundreds of poisonous plants.
- Adam-and-Eve (Additional Common Names: Arum, Lord-and-Ladies, Wake Robin, Starch Root, Bobbins, Cuckoo Plant): Symptoms include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.
- African Wonder Tree: Contains ricin, one of the most poisonous compounds known. Ingestion of as little as one ounce of seeds can be lethal. Signs typically develop 12 to 48 hours after ingestion, and include loss of appetite, excessive thirst, weakness, colic, trembling, sweating, loss of coordination, difficulty breathing, progressive central nervous system depression, and fever. As syndrome progresses, bloody diarrhea may occur, and convulsions and coma can precede death.
- Ambrosia Mexicana
- American Bittersweet
- American Holly
- American Mandrake
- American Yew
- Andromeda Japonica
- Angelica Tree
- Apple: Stems, leaves, seeds contain cyanide, particularly toxic in the process of wilting: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock.
- Apricot: Stems, leaves, seeds contain cyanide, particularly toxic in the process of wilting: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock.
- Azaleas: Symptoms include vomiting, diarrhea, drooling, mental dullness, cardiovascular depression, collapse, and death. Even eating a few leaves can cause serious problems.
- Arrow-Head Vine
- Arum Lily
- Asparagus Fern
- Australian Ivy Palm
- Australian Nut
- Australian Pine
- Autumn Crocus
- Begonias, especially the tubers. They can cause oral irritation. This can progress to swelling of the mouth, lips, and tongue, causing drooling, vomiting, and difficulty swallowing.
- Bird of Paradise: The fruits and seeds can cause vomiting and drowsiness.
- Castor bean plant: All parts are toxic, but the seeds contain the highest concentration of ricin, one of the most poisonous compounds known. Symptoms are mouth irritation, vomiting, diarrhea, kidney failure, seizures, and death. Signs usually start 12 to 48 hours after ingestion.
- Chrysanthemums: They can cause vomiting, diarrhea, drooling, weakness, inability to walk properly, and even skin problems.
- Clematis: Causes weakness, heart failure, drooling, and death.
- Foxglove: Causes weakness, heart failure, drooling, and death.
- Hibiscus: Can cause a loss of appetite, vomiting, and diarrhea in dogs that ingest it.
- Oleander: It has toxins that can cause a low heart rate, heart failure, and death. It is possible to also see vomiting and diarrhea. (Please note this is highly toxic to humans as well!)