What Plants Are Poisonous To Dogs?

by | Apr 4 2020

Approximately 27 million people across the UK participate in gardening regularly. If you are one of these people and are also a dog owner, you might have concerns about how your precious plants might affect your canine companion. Well, we’re here to help! Read on to learn what plants are poisonous to dogs, then you’ll have no trouble making sure your garden is a dog-friendly haven.

 

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Azaleas – What plants are poisonous to dogs – Mark and Chappell

Azaleas

Azaleas have a beautiful bright pink hue that makes them easy to spot, but they also contain a toxin known as grayanotoxin.

Azaleas are toxic to dogs, cats, and horses. If your dog ingests azalea, they may experience vomiting, diarrhoea, general weakness, and even heart failure in some cases.

Instead of planting azaleas, consider snapdragons or blue-eyed daisies.

 

Daffodils – What plants are poisonous to dogs – Mark and Chappell

Daffodils

Daffodils are a popular, cheery yellow flower present in a lot of gardens. If you’re a dog owner, though, you may want to reconsider using them. They contain a toxin known as lycorine.

If a dog consumes this, they start salivating excessively, and they experience diarrhoea or vomiting. They can also be susceptible to heart problems, low blood pressure, and tremors.

 

Hydrangeas – What plants are poisonous to dogs – Mark and Chappell

Hydrangeas

Hydrangeas are characterized by their round, puffy shape. They come in a variety of colours, including pink, purple, and white.

Hydrangeas contain a compound called cyanogenic glycoside. This compound can cause vomiting, diarrhoea, and depression. Marigolds and petunias are safer options to use instead.

 

Lily of the Valley – What plants are poisonous to dogs – Mark and Chappell

Lily of the Valley

All lilies are toxic to dogs, including Lily of the Valley. This plant, known for its small white flowers that hang down toward the ground, contains compounds known as cardenolides.

Cardenolides can cause vomiting, an irregular heartbeat, and low blood pressure. Some dogs also experience disorientation and seizures after consuming them, and they could even fall into a coma.

 

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Oleander – What plants are poisonous to dogs – Mark and Chappell

Oleander

Oleander flowers have a rose colour to them and shrub-like leaves. They contain cardiac glycosides, which can cause excessive drooling, depression, and diarrhoea in dogs. They can lead to severe abdominal pain and even death in some cases, too.

Lemon bottlebrush is a safe alternative to oleander.

 

Wisteria – What plants are poisonous to dogs – Mark and Chappell

Wisteria

Wisteria is easy to spot with its bright purple hue. Wisteria contains lectins, as well as the compound wisteria glycoside.

Exposure to these toxins can cause dogs to become depressed. They might also vomit (and may vomit blood) and have diarrhoea, too.

Climbing plants like passionflower and honeysuckle can be used instead of wisteria.

 

Digitalis (Foxglove) - Poisonous to Dogs - Mark + Chappell

Foxglove (Digitalis)

Foxglove striking tubular bell wildflowers that are poisonous to dogs, cats and humans. They contain cardiac glycoside toxins, naturally occurring poisons that can affect the heart. All parts of the plant are considered toxic however the level of poisoning varies depending on the particular plant and the part of the plant ingested.

Ingestion can result in an abnormal heart rhythm, electrolyte issues, drooling, nausea, vomiting, dilated pupils, tremors, and seizures.

 

Hyacinth – What plants are poisonous to dogs – Mark and Chappell

Hyacinths

Hyacinths belong to the Liliaceae plant family. They contain alkaloids that are particularly concentrated in the bulbs, and that are toxic to dogs when ingested.

It can result in excessive salivation, vomiting, and diarrhoea as well as more severe symptoms such as rapid heart rate and respiratory difficulty.

 

Tulips – What plants are poisonous to dogs – Mark and Chappell

Tulips

The very popular tulip plants are also members of the Liliaceae plant family and contain allergenic lactones. As with Hyacinths, the bulbs contain high concentrations of toxins and ingestion can cause excessive salivation, vomiting, diarrhoea, rapid heart rate and respiratory difficulty.

 

Rhododendron – What plants are poisonous to dogs – Mark and Chappell

Rhododendrons

Rhododendrons are large flowering plants of the same genus as azaleas. They are a popular choice of garden flowers. All of these plants contain grayanotoxins which are toxic to both humans and dogs and can be fatal.

If ingested, drooling and vomiting usually occur within 6 hours and other symptoms can include diarrhoea, dizziness, paralysis, impaired vision, shortness of breath and seizures.

 

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Bluebells – What plants are poisonous to dogs – Mark and Chappell

Bluebells

A popular garden plant, the bluebell contains glycosides, which are poisonous to humans and animals, including dogs. Ingestion can cause a low heart rate, nausea, diarrhoea and vomiting.

 

Morning glory – What plants are poisonous to dogs – Mark and Chappell

Morning Glory

The seeds of certain species of the popular morning glory plants (Ipomoea violacea and Ipomoea carnea specifically) are poisonous to dogs. They contain lysergic alkaloids that can cause diarrhoea, anaemia, vomiting, liver failure, lethargy and confusion.

 

Delphinium – What plants are poisonous to dogs – Mark and Chappell

Delphinium

The impressive delphinium plant contains diterpene alkaloids. When ingested, these alkaloids prevent nerve signals from travelling from the brain to the muscles, which causes weakness and even paralysis. This can also cause symptoms such as excessive salivation (drooling), irregular heartbeat, constipation, and organ failure, and it can be fatal.

 

Cyclamen – What plants are poisonous to dogs – Mark and Chappell

Cyclamen

The cyclamen is a beautiful and popular house plant. The cyclamen plant contains saponins, and when chewed or ingested by dogs and cats, it can cause excessive salivation, vomiting and diarrhoea.

In large doses, these plants can result in cardiac issues, seizures and even death.

 

Amaryllis - What Plants Are Poisonous To Dogs - mark + Chappell

Amaryllis (Belladonna)

The beautiful amaryllis plant contains lycorine, which can cause excessive salivation, vomiting, diarrhoea, abdominal pain, lethargy and tremors in both cats and dogs.

The bulb of the plant is more dangerous than the flowers and stalk, but all should be kept well clear of your pet.

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Aconitum (Monkshood) – What plants are poisonous to dogs – Mark and Chappell

Aconitum (Monkshood)

Aconitum plants, commonly known as monkshood, contain a toxin known as aconitine which can be deadly. Although the smell and the taste ward off dogs, ingestion can be fatal without treatment.

Symptoms can include abdominal pain, paralysis, seizures, shallow breathing, and vomiting.

 

7 tips to keep your dog out of the garden and flower beds this summer

 

So, now you know what plants are poisonous for your dog, you can keep them out of your garden and keep your dog safe. You might be wondering, though, what you can do to protect your garden from your dog!

Dogs can wreak havoc on these spaces, from chewing up flowers to leaving yellow spots on the grass from their urine. There are steps you can take to minimise their damage, though.

Setting up a strong fence can help to keep your dog out of your garden, for example. Using a lawn burn solution will give your dog extra nourishment and also prevent yellow spots from popping up on your grass in the areas where they urinate.

 

Protect your dog and your garden today

 

It can be overwhelming at first to learn about what plants are poisonous to dogs. The sooner you learn, though, the sooner you can make your garden pet-friendly and ensure your dog stays safe.

Keep the list and tips outlined above in mind and you’ll be able to make your garden free from the most serious plant offenders. You’ll also be able to keep your garden and yard safe from your dog – everyone wins!

 

Lawn Burn Solution - Green-UM

Are you struggling with yellow or brown patches on your lawn? For over 15 years our customers have had great results from Vet IQ Green-UM Lawn Burn Solution, which is a natural product that helps prevent yellow spots from appearing on your lawn.

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