20 Dangerous Plants for Dogs and Cats

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Plants are a great way to lighten up your home, however, some plants are just a no-no for animals. Some plants can pose a danger to our pets, cats and dogs. Let us shed some light on the potential dangers of certain plants and ensure the safety of our four-legged companions. 


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These are the most commonly grown plants at home. While lilies are beautiful, all parts of this plant, including the petals, and leaves can cause severe kidney failure in cats and dogs if ingested. So, if you have furry friends at home, it is best to keep lilies out of their reach.


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One of the main reasons people love azaleas is for their stunning blooms, low maintenance, and versatile landscaping. These flowers contain a substance called grayanotoxins, which can cause vomiting, diarrhea, and even more severe symptoms like drooling, lethargy, and potentially fatal heart arrhythmias in both dogs and cats.

Sago Palm

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The sago palm is an easy-to-care plant that brings a touch of elegance to any space. However, all parts of the plant are toxic to pets. If ingested, they cause liver damage, seizures, and even death in some cases. Hence, take extra precautions to keep your pets away from this plant.

Autumn Crocus

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The autumn crocus is a stunning flower many people love to have in their gardens. However, this beautiful flower contains a substance called colchicine that causes severe gastrointestinal distress, kidney and liver damage, respiratory failure, and even death in dogs and cats. While harmless to humans, colchicine is extremely dangerous for our furry friends. 


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Oleander is a stunning plant that can add a touch of beauty to any garden with its vibrant flowers and lush green leaves. But it is highly toxic to dogs and cats. Even a small nibble can cause severe cardiovascular issues, including abnormal heart rhythms, leading to fatal consequences.

Castor Bean Plant

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The castor bean plant may seem harmless, but its seeds contain a potent toxin called ricin that can be extremely dangerous for our pets. If ingested, then it causes abdominal pain, vomiting, diarrhea, and, in severe cases, organ failure and death in both dogs and cats. So, definitely keep your pets away from this one. 


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Daffodils may look beautiful, but did you know they can be harmful to our furry friends? These pretty flowers contain something called alkaloids, which can make pets sick if they eat them. All parts of the plant, especially the bulbs, are toxic. Even if you keep daffodils at home, make sure they are out of reach of your pets. 


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Just like daffodils, tulips are also toxic to both dogs and cats. Though they are the most beautiful plants to be kept at home, if your pet ingests any part of this lovely pink-purple flower, they will immediately suffer from drooling, unsteady steps and, in severe cases, difficult breathing. This may even lead to permanent gastrointestinal problems.


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Most liked for its lovely color and minimal care, rhododendrons contain grayanotoxins, which can harm both the heart and the nervous system of both cats and dogs. If our pets happen to eat any part of a rhododendron, they could experience vomiting, diarrhea, and even heart failure. 


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Popular for its vibrant flowers, cyclamen is mostly loved by those who have a green thumb. However, as much as we love this flower, it is important to be aware that cyclamen contains compounds that cause severe vomiting and gastrointestinal distress in dogs and cats, potentially leading to death.


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Known for its tall stalks and clusters of tubular-shaped flowers, foxglove contains compounds called cardiac glycosides. These glycosides negatively impact the heart rate and also affect the nervous system of dogs and cats. They will have symptoms like vomiting, diarrhea, drooling, and potentially fatal heart arrhythmias.

Aloe Vera

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While aloe vera is known for its medicinal properties that are good for humans, it leaves a negative impact on the sensitive digestive systems of our pets. If ingested by pets, the gel-like aloe, which contains certain toxic compounds, can cause serious vomiting, diarrhea, and lethargy in pets.


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Marijuana is becoming more widely accepted as an easy-to-grow plant at home. These plant owners need to be cautious. When pets ingest marijuana, they can experience a range of symptoms, like feeling tired and lacking energy, having difficulty coordinating their movements, and, in severe cases, having severe respiratory distress. 


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A common houseplant, the philodendron has attractive foliage and is super easy to care for. However, it does not sit well with the pets. When accidentally ingested, the calcium oxalate crystals cause various unpleasant symptoms like oral irritation, excessive drooling, hyperactivity, and difficulty swallowing in pets, leading to more severe symptoms like abnormal heart rhythm.


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Chosen for their beautiful appearance, yew plants are famous for their dark green foliage and vibrant red berries. Apart from being visually appealing, they have a poisonous toxin that directly impacts the hearts and nervous systems of dogs and cats. If ingested, these toxins can end up disrupting the whole functioning of the vital systems.


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Chrysanthemums are popular plants mostly found in gardens. They contain a toxin called pyrethrins that causes severe incoordination in pets. If your pet happens to nibble on chrysanthemum leaves or flowers, chances are they will experience excessive drooling and cause severe vomiting, dehydration, dry mouth with excess pale eyes, and diarrhea.  

Morning Glory

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A remarkable flower that enchants us with its vibrant colors, opening up to greet the morning and closing as the day progresses, contains hallucinogenic compounds that can cause them to feel restless, lose control of their movements, and have tummy troubles. Hence, these plants are very risky to be kept around pets.

English Ivy

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English Ivy is a beautiful and versatile plant that can bring both aesthetic appeal and practical benefits to your garden. However, behind its aesthetic appeal lies a hidden danger for our furry friends. English Ivy contains a compound called glycoside hederin that causes a range of unpleasant symptoms. Vomiting, diarrhea, and abdominal pain in pets.

Dumb Canes (Dieffenbachia)

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Dumb Canes are a popular household plant. It is loved by plant enthusiasts for its large, attractive leaves. These plants contain calcium oxalate crystals, which cause oral irritation when dogs or cats nibble on these plants. Along with oral irritation, they cause symptoms like drooling, excessive salivation, and difficulty swallowing in pets.


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Holly plants are commonly seen in homes during the holiday season. If our pets happen to ingest holly leaves or berries, then they may experience symptoms like vomiting, diarrhea, and lethargy. Hence, to keep our pets safe and healthy, it is best to keep these plants out of their reach.


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