Plants Poisonous To Dogs


Plants poisonous to dogs are sometimes a surprise to us all.

Houseplants are great home decoration items. They can make your home more beautiful and provide you with a more natural and inviting living space. Some plants serve as air purifiers to help keep clean air in the house.

However, some plants can be poisonous to dogs. Some vegetation can be consumed by pets yet there are different species of plants that can cause more than some stomach discomfort for your dog.

That is why it is important to remember that having a dog not only means that you have to think about what is the best food for them but you also need to pay close attention to what plants are around, for their own safety and wellbeing.

Dogs do not always know instinctively which plants are poisonous to them, so as their owner, it is your responsibility to keep them safe and out of harm’s way.


Every part of the daffodil, including the petals, stems, leaves, and bulbs, is toxic if ingested by your dog.

Daffodils contain lycorine which is an alkaloid that can trigger vomiting, diarrhea, stomach pains, and even heartbeat irregularities. The bulbs are the most dangerous part of the plant as they contain the most concentrated amount of lycorine.

If your dog likes to dig, you definitely shouldn’t have daffodils in your garden. They can cause harm if your dog bites the leaves, digs up the bulbs, or even just brushes up against the plant.


Philodendrons are popular because they have lovely big leaves and are low maintenance and very hardy. Unfortunately, they contain insoluble calcium oxalate crystals that can’t be digested by the body.

If a dog chews or swallows any part of this plant these sharp crystals can cause extreme irritation and pain. On the positive side, because the reaction is immediately painful, your dog will most likely only eat a small amount of the plant. However, if they do ingest a large quantity, you should seek immediate veterinary advice.

See also: Should you feed your dog peanut butter?

Apple Trees and Cherry Trees

It is often not common knowledge to dog owners that apple and cherry trees have certain parts that are poisonous to canines. Cyanide is contained within their seeds. Also, the bark and leaves if these trees can cause problems in breathing for dogs and can possibly even make them go into shock.

The fruits, however, are totally safe for your dog to consume but be sure to leave out the seeds when you want to give your dog a fruity treat.

Aloe Vera

Aloe Vera is often used by humans for its skin-care abilities and other health benefits. Unfortunately, the plant can cause problems when consumed by your dog. Diarrhea, nausea and vomiting can occur.

Azaleas and Rhododendrons

Azaleas and Rhododendrons contain a certain type of chemical which can cause conditions like excessive drooling, dizziness, vomiting, diarrhea, colic, paralysis in the legs and a slowing of heart functions. The chemical that causes this is known as grayantoxin. It can severely affect a dog’s central nervous system.

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Ferns of the Asparagus Variety

Asparagus ferns are mostly found in hanging pots. While they make for excellent decorations, the plant contains highly toxic sapogenins which are dangerous for dogs. They can cause severe dermatitis, and ingestion of the fern’s berries can cause diarrhea, nausea and abdominal pains in dogs.

Clematis Vines and Christmas Cactus

Clematis vines and Christmas Cactus are equally as dangerous to dogs. The Clematis vines contain a toxic substance known as protoanemonin.  This can act as an irritant that can cause muscle and stomach pains in dogs.  The Christmas Cactus can cause depression and very bloody diarrhea if a dog ingests the leaves or the plant itself.


The uncooked leaves and roots of the Rhubarb contain calcium oxalate which can cause vomiting and diarrhea and irritation of the mouth.  They can also put dogs at risk of suffering from kidney failure.

Hosta Plants

The saponins contained in Hosta plants can cause vomiting and diarrhea.

Eucalyptus Tree Oil

The oil of the Eucalyptus Tree can cause serious conditions such as depression, vomiting and diarrhea if a dog ingests the oil found on its leaves.

See also: Dogs and snake bites

Common Privet Hedge

The highly toxic chemical known as terpenoid glycoside is found in the privet hedge’s needles and branches. They can produce upsets in the intestines of dogs which are so severe that they can trigger racing heartbeats and palpitations. However, the most dangerous symptom is the affect they can have on a dog’s sense of balance and coordination.

House plants are wonderful for making your home look and feel more beautiful however it is also important that you ensure that are aware of plants poisonous to dogs before bringing any plant home.

See more plants poisonous to dogs


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