Top 10 Poisonous Plants for Dogs

Top 10 Poisonous Plants for Dogs

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Top 10 Poisonous Plants for Dogs? This article will educate you about ten common plants that cause harm to dogs when eaten. Did you know that Avocados and Aloe Vera are toxic to dogs? I didn’t! I knew all about things like onions, garlic, grapes, and raisins, but not things that we don’t really consider as food.

10 Common Plants that are Poisonous to Dogs article collage image of poisonous plants to dogs

Many are unaware that there are countless species of plants—both houseplants and outdoor plants—that are poisonous to dogs. Dogs are stereotyped by sniffing, chewing, and eating almost everything, especially as puppies. For this reason, it is not uncommon for veterinarian hospitals to treat dogs that have eaten a poisonous plant or bulb.

I don’t know about you, but my Australian Shepherd is a digger. With digging comes the placement of things in her mouth. She is just under a year old and has already gotten into way more trouble than she should have and we have learned to keep an eye on her when she is in our backyard. We have a few of the Top 10 Poisonous Plants for Dogs!

What happens when a dog eats a poisonous plant?

Signs of toxicity can vary depending on what your pet has ingested. But they could include things like vomiting or diarrhea, shaking, lack of coordination, coughing, sneezing, trouble breathing, or seizures.

While many animals, especially those in the wild, do have a combination of instinct, experience, and training that keeps them from consuming things that are harmful to them, our average family dog isn’t that sharp.

I recently paid over $2,500 for emergency surgery for a cat who ate a worm on a string toy. Had I not? She would have died.

This is a great video about what to do if your dog eats something poisonous. I hope you never – ever – need this information!

If you know you have Plants that are Poisonous to Dogs in your yard or home, you will want to keep an special eye out to prevent Fido from getting sick.

Top 10 Poisonous Plants for Dogs

So, let’s identify and quickly describe ten plants that are poisonous to dogs so you may be more conscious of what your dog munches on.

Aloe Vera

When looking at houseplants that are poisonous to dogs, this probably comes at the top of the list. Aloe Vera is a common houseplant that is very poisonous to dogs. If consumed, the dog will vomit, refuse to eat, and may experience tremors.


Tulip bulbs are extremely toxic to canines; therefore, care must be taken when storing extra bulbs and while planting. If one owns a dog that likes to dig, tulip bulbs should be planted in an area that the dog is not allowed or cannot reach.

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The fruit and skin of the Avocado are extremely poisonous to dogs as well as cats and horses. The entire Avocado tree is toxic to dogs, and a concerned owner should not expose their animal to any part of it.

Plants that are Poisonous to Dogs: Daffodils

The Daffodil’s bulb, flower, leaves, and stem are all poisonous to dogs; however, the bulb is the most poisonous part. Take care in storing bulbs and make sure not to plant in an area that may be dug up.

Easter Lily

The Easter Lily is a popular flower that blooms near Easter and is often given as a gift around Easter time. This plant is beautiful and fragrant, but it is also extremely poisonous to dogs. Death may occur if even the smallest amount of the plant is consumed.


Holly is an attractive bush that produces clusters of small red berries during fall. It is poisonous to dogs. However, its leaves are sharp. The sharp leaves make Holly a threat mainly during the fruiting season because the berries are usually the alluring part of the plant.

Morning Glory

The annual climbing plant ‘morning glory’ is a popular choice for trellises and arbors. However, the plant contains four toxic chemicals which cause hallucinations, disorientation as well as diarrhea. The seeds of the morning glory have the potential to be the most dangerous and should be kept from dogs.


The over 250 species of Rhododendrons are spread throughout the world, and all of them are toxic to dogs. The majority of animals that consume any part of the rhododendron plant dies.

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Every part of the Taro plant (caladium hortulanum) is toxic to dogs because it contains calcium oxalate crystals which cause intense burning to the dog’s mouth as well as drooling and vomiting.

Plants that are Poisonous to Dogs: Rhubarb

When looking at backyard plants that are poisonous to dogs, this one often gets overlooked. Most people know that the leaves are toxic to them, but aren’t aware of how it affects their pooch.

The Rhubarb plant is known by humans for its tart flavor and ability to produce delicious pie and jelly. Although it is appetizing for people, it should not be fed to a dog because consumption results in kidney failure and tremors.

Garden plants that are poisonous to dogs

There are many poisonous plants that are toxic to dogs. Some of them perhaps you already know, while others may come as a complete surprise. These are but a few of the many plants that are poisonous to your dog.

Always keep the number of your poison control center in easy reach. Before bringing that new plant home, take time to do a little research on the plant to find out just what houseplants are poisonous to dogs.

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