What Plants Are Poisonous to Dogs

What Plants are Poisonous to Dogs?

As a dog owner, it’s crucial to be aware of the potential dangers that certain plants can pose to your furry friend. Many common indoor and outdoor plants can be toxic to dogs, leading to a range of symptoms from mild discomfort to severe health issues. This article aims to provide a comprehensive guide on the common plants that are poisonous to dogs and what to do if your pet ingests them.

What Plants Are Poisonous to Dogs

Common Indoor Plants that are Poisonous to Dogs

There are several indoor plants that, while beautiful, can be harmful to your dog. Here are some of them:



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  • Amaryllis: This popular spring plant can cause vomiting, depression, diarrhea, excessive drooling, abdominal pain, anorexia, and tremors in dogs.


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  • Azalea: Commonly found in many homes, azaleas can cause vomiting, diarrhea, a drop in blood pressure, weakness, cardiac failure, and even coma. More about Azalea can be found here.


Bird of Paradise
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  • Bird of Paradise: Not to be confused with the less toxic Strelitzia reginae, this plant can cause oral irritation, excessive drooling, vomiting, diarrhea, mild nausea, drowsiness, and difficulty swallowing.


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  • Daffodil: A favorite among gardeners, daffodils can cause vomiting, hypersalivation, diarrhea, arrhythmia, convulsions, and low blood pressure.


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  • Daisy: If consumed, daisies can cause vomiting, diarrhea, excessive drooling, incoordination, and dermal allergic reactions.


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  • Eucalyptus: Consumption of this plant can cause excessive drooling, vomiting, diarrhea, depression, and weakness.

Common Outdoor Plants that are Poisonous to Dogs

Outdoor plants can also pose a significant risk to dogs. Here are some common outdoor plants that are toxic to dogs:


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  • Hyacinth: Ingesting this plant can cause intense vomiting, diarrhea, depression, and tremors.


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  • Hydrangea: Despite their bright colors, hydrangeas can cause vomiting, depression, diarrhea, and other gastrointestinal disturbances.


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  • Iris: The entire plant is toxic, but the rhizomes (underground stem) are most potent. If ingested, it can cause vomiting, drooling, lethargy, and diarrhea.


Calla Lily
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  • Calla Lily: Consumption of this uniquely shaped flower can cause oral irritation, a burning sensation on the tongue and lips, excessive drooling, vomiting, and difficulty swallowing.


Morning Glory
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  • Morning Glory: These cone-shaped flowers can cause vomiting and even hallucinations when large amounts are ingested.


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  • Rhododendron: Just a few leaves can cause a severe reaction, including excessive drooling, vomiting, loss of appetite, diarrhea, colic, depression, weakness, stupor, paralysis, cardiovascular collapse, or even death. More about Rhododendron can be found here.

Remember, prevention is the best cure. Always keep an eye on your dog when they’re around plants, and try to keep these plants out of your dog’s reach.

Other Potentially Harmful Plants

In addition to the plants mentioned above, there are other plants that can also be harmful to dogs. Here are a few more to be aware of:


Jade plants
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  • Jade plants: Also known as the jade plant, it is toxic to dogs. Consumption can cause vomiting, a slow heart rate, incoordination, and depression.


Tomato plants
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  • Tomato plants: While the ripe fruit of this plant isn’t poisonous, unripe tomatoes and the plant itself can be toxic to dogs. If consumed, symptoms can include hypersalivation, severe upset stomach, depression, weakness, dilated pupils, and slow heart rate.


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  • Tulip: The bulb of this plant, if ingested, can cause oral irritation, excessive drooling, and nausea.

There are many more plants that can be harmful to dogs. Some of these include the Sago Palm, Oleander, Castor Bean, Cyclamen, and the Autumn Crocus. Each of these plants can cause severe symptoms in dogs, including vomiting, diarrhea, liver failure, heart abnormalities, seizures, and even death. It’s essential to research any plant before bringing it into your home or planting it in your yard. More about these plants can be found here.

Symptoms of Poison Consumption in Dogs

If your dog consumes a poisonous plant, there are several symptoms that you should be on the lookout for.

Common symptoms

Common symptoms of poison consumption in dogs include:

  • Lethargy
  • Weakness
  • Vomiting
  • Diarrhea
  • Drooling
  • Nausea

These symptoms can vary in severity depending on the type of plant consumed and the amount ingested.

Severe symptoms

In more severe cases, dogs may experience:

  • Agitation
  • Extreme sedation
  • Seizures
  • Coma

If your dog shows any of these symptoms, it’s crucial to seek veterinary care immediately. Remember, it’s always better to be safe than sorry when it comes to your pet’s health. More about these symptoms can be found here.


What to Do if Your Dog Consumes a Poisonous Plant

If you suspect that your dog has consumed a poisonous plant, there are immediate steps you should take. First, try to identify the plant your dog has ingested. Remove any remaining parts of the plant from your dog’s mouth. Do not induce vomiting unless instructed to do so by a veterinarian. More about these steps can be found here.

Contact your vet or an emergency animal clinic immediately. If possible, bring a sample of the plant or a photo for identification. The sooner your dog gets treatment, the better their chances of recovery.

Prevention Measures

Prevention is always better than cure. Here are some tips to keep your dogs away from poisonous plants:

  • Keep plants out of your dog’s reach.
  • Train your dog not to chew plants.
  • Regularly check your yard for toxic plants.

It’s also important to pet-proof your home and yard. This includes removing toxic plants or ensuring they are out of your dog’s reach. More about pet-proofing can be found here.



  • What are the most poisonous houseplants for dogs?
    Some of the most poisonous houseplants for dogs include Amaryllis, Azalea, and Daffodil.
  • What plant is bad for dogs?
    Many plants can be harmful to dogs, including Jade, Tomato plants, and Tulip.
  • Will dogs eat plants that are poisonous?
    Dogs may not instinctively avoid poisonous plants, so it’s important to keep these plants out of reach.
  • What is the most poisonous plant in the US?
    One of the most poisonous plants in the US is the Oleander, which is toxic to both humans and pets.


In conclusion, it’s crucial for dog owners to be aware of the common plants that are poisonous to dogs and to take steps to prevent their pets from ingesting them. If your dog does consume a poisonous plant, seek veterinary care immediately. Remember, your vigilance can save your pet’s life.


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