8 Plants That Are Secretly Toxic to Pets

These classic Easter flowers have beautiful blooms and a strong scent, but they are also one of the most dangerous plants to cats. They are considered highly toxic and can induce rapid liver failure and death even if just a little bit of the plant is ingested. Lilies can be toxic to dogs as well, they but are most dangerous to cats.

This plant is known for its soothing properties on sunburn, insect bite, and other minor maladies. But in both dogs and cats, it can cause vomiting, lethargy, and diarrhea. However, according to the ASPCA, the gel itself is considered edible.

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These brightly-colored flowers aren’t houseplants but decorative outdoor shrubs. Azaleas can cause diarrhea, weakness, and even coma and cardiac failure in both dogs and cats. If you have outdoor pets, make sure this plant isn’t in your yard.

This is a classic houseplant because it’s so resilient and fast-growing. Pothos grow long, trailing vines which are tempting for pets to nibble and can cause oral irritation and inflammation. Ingesting pothos typically isn’t life-threatening to pets, but common symptoms include drooling, vomiting, and stomach upset.

These leafy palms are a common choice for landscaping and are incredibly dangerous to cats and dogs. The ASPCA reports that up to 50% of cases of ingestion of this plant prove fatal to pets. It can cause blood clotting disorders, liver failure, and vomiting. All parts of the plant, including the seeds, are highly toxic.

These pastel-hued, bulb-shaped flowers are a staple of the Northeast. But they hide a surprising secret: Hydrangeas contain cyanide. It’s most common that this plant will only cause stomach upset rather than full cyanide poisoning in cats and dogs if the amount ingested is minor. But the risks are more serious to smaller animals, so it’s overall best to keep pets away.

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These cheery flowers are a sure sign of spring, but they are best left alone if you have pets. The bulbs are the most poisonous part of the plant, and ingesting a large amount of it can cause convulsions, low blood pressure, tremors and cardiac arrhythmias.

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Usually a landscaping or ornamental plant, oleander bushes have small flowers in bright colors like pink or yellow. Eating parts of the oleander plant can cause drooling, cardio issues, tremors, and even death in both cats and dogs.