Animals Care

List Of Plants Poisonous To Cats: Plants That We Often Encounter But Are Not Aware Of The Dangers

Cats are true carnivorous animals, but like dogs, they sometimes feed on plants. This is done to absorb fiber or because they like its taste. While this behavior is usually normal and harmless, if your cat ingests certain plants that are toxic to cats, the consequences can be fatal. Here’s a List Of Plants Poisonous To Cats: Plants That We Often Encounter But Are Not Aware Of The Dangers.

Therefore, we must be careful with our house, indoor and flowers crops as some of them are highly toxic and dangerous to cats. This plant can cause skin problems, are allergic , digestion, nerve damage, heart or kidneys, and even death.


Which Parts of Plants Are Toxic to Cats?

If the plant is toxic to cats, consider all parts of the plant toxic. Although some parts of the plant may have a higher concentration of toxic principles than others.

The dose of poison can vary greatly from plant to plant. Sometimes, swallowing small amounts of food can cause problems. In other cases, new symptoms can develop if you consume large quantities.


What effect is a poisonous plant for cats?

Certain plants contain irritants or compounds that can cause systemic damage to cats. Depending on the type of plant that your cat digests or touches, different symptoms of plant poisoning may occur. The most common disorders are:


Plants that can cause indigestion in cats cause acute diarrhea problems, vomiting, and acute or hemorrhagic gastroenteritis. They can also cause liver failure, which triggers loss of appetite and mood swings.


Neurological disorders

Other plants affect the nervous system of cats. It can cause convulsions, tightness, excessive salivation, lack of coordination, hallucinations, dilation of pupils, and even permanent eye damage.


Heart problems

Some plants are toxic because they affect the cat’s heart, increase their heart rate, cause arrhythmia, difficulty breathing, and in severe cases, cardiac arrest.


Renal failure

Kidney failure is often mistaken for indigestion, but potentially much more dangerous. The first symptoms -usually vomiting – appear a few hours after the ingestion of plant toxins. As the days go by and kidney failure becomes clearer, vomiting and other signs such as weight loss (anorexia), dehydration, and depression will appear.

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Contact dermatitis

This condition is the result of direct contact with poisonous plants. Symptoms of irritation appear on the affected part of the cat’s body and include inflammation, itching, pain, redness, and even hair loss.

Depending on the type of plant and its contact properties, cats may experience one or more of these disorders.


Sneezing with other symptoms can be a sign that your cat is suffering from an upper respiratory tract infection or other underlying condition that may require veterinary care. Know Home Remedy For Cats Sneezing.


Poisonous plants and flowers for cats

Among common plants that are toxic to cats, some of them can cause digestive problems, damage to the nervous system, heart problems, or a combination of both. Here is a list of some plants that are toxic to the cat system and you may have in your home or garden:


This common flowering plant causes digestive problems if ingested by cats. Depending on the amount ingested, it can cause breathing difficulties, arrhythmia, or in extreme cases of a heart attack. In addition, oleander plants can also cause fever and drowsiness.



It is a flowering shrub that affects the cat’s digestive system, causing excessive diarrhea, vomiting, and salivation. If ingested in small amounts can lead to a lack of coordination accompanied by hallucinations.

A greater number of these plants can cause acute digestive damage, respiratory distress, changes in heart rate, seizures, hypertension, coma, and even death in very severe cases.



All parts of these houseplants are toxic to cats, who will suffer from chewing them or only by direct contact. If this plant touches the cat’s body, it will show symptoms such as irritation, inflammation, redness, or blisters. If eaten, this will cause instant burning in the mouth, which usually makes the cat stop eating it.

In addition, dieffenbachia can cause swelling in the neck and throat, pain in the abdomen and esophagus, difficulty swallowing, excessive salivation, vomiting, difficulty breathing, as well as in the most severe cases suffocation.



Eucalyptus is a tree often found in forests and public gardens, so if you have a cat that spends a lot of time outdoors, you should be very careful not to eat leaves or other parts of this plant. Swallowing causes indigestion, diarrhea, and vomiting.



Like most other poisonous plants on this list, all parts of ivy are toxic to cats, although the fruit is very dangerous. Ingesting ivy can result in indigestion, such as diarrhea and vomiting, as well as seizures and a rapid heartbeat.

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In addition, when in contact with ivy, the cat’s skin will experience dermatitis and rashes. If a cat consumes large amounts of plants or fruit, it can be fatal.



This familiar plant harms cats. The leaves and flowers are poisonous. The most common symptoms of hydrangea poisoning are indigestion (diarrhea, vomiting, and abdominal pain). Depending on the amount digested, this can affect your cat’s nervous system causing motor problems, such as a lack of coordination.



Although the flowers are poisonous as well, the most dangerous part for cats is the tubers. Eating it can cause indigestion such as gastrointestinal irritation, diarrhea, and vomiting.



Lilies are toxic to cats, resulting in digestive disorders such as diarrhea, vomiting, abdominal pain, and general malaise. In more serious cases this can lead to hypertension and an increase in the blood pressure of the cat.



The plant commonly used as a decoration this Christmas fruit is toxic to cats, although serious poisoning will only occur if consumed in large quantities. They generally cause damage to the gastrointestinal tract, arising from vomiting, diarrhea, and general malaise. It can also cause dilation of pupils and saliva.

If cats eat large amounts of their fruit, they can cause neurological and cardiovascular damage, respiratory distress, asphyxia, takikardia, lack of coordination, convulsions, coma, and even heart attacks.



Another ornamental plant common during the winter, the poinsettia is also toxic to cats. If ingested, it can cause indigestion that causes diarrhea, vomiting, and abdominal pain. Direct contact with plant sap can produce irritation to the cat’s skin and eyes, which causes itching and eruptions.



Cats are allergic to all varieties of narcissus and daffodils plants. Contact with it can cause skin irritation while consuming it can result in serious digestive problems such as vomiting and acute diarrhea, gastritis, and pain. In extreme cases, this can lead to heart problems that lead to the death of the cat.


List Of Plants Poisonous To Cats: Plants That We Often Encounter But Are Not Aware Of The Dangers

Plants Toxic to cats that cause systemic disorders

In addition, here are some other harmful plants for cats that can also produce digestive, nerve, or heart problems in digestion:

  • Aconite or wolf’s bane
  • Aloe
  • apple
  • apricot
  • Autumn Crocus
  • Bay laurel
  • Blackthorn
  • Buttercup
  • Elder
  • Foxglove
  • garlic
  • Horse chestnuts
  • Jimson Weed
  • Lupine
  • shallot
  • Privet
  • Rhododendron
  • Yew

If you have these plants in your home or garden, make sure they are out of your cat’s reach. If you suspect that they have been poisoned by swallowing or direct contact with this plant (or a plant that you cannot identify correctly), take the cat to the veterinarian as soon as possible.

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Remember that the severity of symptoms is related to the amount consumed and the toxic effects can be fatal. The help of a veterinarian should be sought immediately because it is essential for the survival of the cat.


Plants that cause kidney failure in cats

The most common plant that causes kidney dysfunction in cats is a plant belonging to the family Liliaceae. All parts of this plant are so toxic to cats and their toxicity in such a way that swallowing a single leaf alone can cause the cat to experience symptoms such as:

  • vomit
  • loss of appetite
  • weight loss
  • stop urinating and vomiting due to lack of food intake.

Signs of kidney failure caused by plant poisoning will usually appear after 2 hours the cat swallows the plant. If you do not know it, kidney failure becomes acute in just three days after the poisoning. It is therefore very important to go to the veterinarian as soon as possible as only medical treatment can save the cat’s life.


Plants that cause contact dermatitis in cats

In addition to plants that cause internal systemic disorders in cats, some plants cause skin irritation or contact dermatitis when the cat touches them.  Other common plants that are toxic to cats for this reason are:

  • Lotus
  • Daisy
  • Nettle
  • Pothos
  • Borage
  • Geranium
  • Primrose
  • Chrysanthemum

If in direct contact with any of these plants, the cat will develop an allergic reaction that can include rashes, redness, inflammation, itching, pain, stinging, blistering, and localized hair loss. If ingested, this plant can cause a burning sensation in the cat’s mouth and digestive problems.

In the case of mild contact, skin irritation can be treated with an anti-inflammatory ointment containing cortisone, although this should be prescribed by a veterinarian. Giving a cold compress to the affected area can also help relieve itching. But in more serious cases, it is very important to take the cat to a veterinarian who can provide appropriate anti-allergic treatment intravenously.


Flowers not poisonous to cats

In addition to plants and flowers that are toxic to cats, you can also find out which flowers are non-toxic. As below:

  • Catnip
  • Thyme Paint
  • Valerian
  • Chamomile, Calendula, and Echinacea
  • Licorice Root
  • Cat’s Claw and Dandelion Root
  • Goldenseal

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