1Lily
Collin Fanton / 500px//Getty Images If you have cats, one plant you should never have in your house is lily, even in bouquets. Lilies can cause irreversible kidney failure. Even a few grains of pollen or drinking water from a vase that contains lilies can be fatal for your cat. Lilies are not toxic to dogs.
2Tulip
Eng Soon Tan / EyeEm//Getty Images The entire plant is problematic, but the highest concentration of toxins is in the tulip bulb. If ingested, tulips cause intense GI upset, drooling, loss of appetite, seizures, and cardiac abnormalities. Keep the bulbs away from pets when you’re planting your spring garden, and keep indoor potted tulips away from your pets.
3Cyclamen
Margarita Zhilova / 500px//Getty Images Cyclamen is a plant that you may receive as a gift around Christmas or Valentine’s Day. It’s also grown as ground cover outdoors in warm climates. However, cyclamen contains toxic terpenoid saponins, especially in the root of the plant. Ingesting it may cause excess salivation, vomiting, diarrhea, heart irregularities, and even death in cats and dogs.
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4Kalanchoe
Melissa Bernardo//Getty Images Kalanchoe is another frequently gifted plant that contains toxins that produce serious GI distress, as well as abnormal heart rhythms in both dogs and cats.
5Amaryllis
Stacy Moeller//Getty Images If your cat or dog ingests any of this beautiful plant or bulb, the toxins of the amaryllis can cause vomiting, diarrhea, abdominal pain, and tremors.
6Peace Lily
OksanaRadchenko//Getty Images Peace lily is a popular low-maintenance houseplant with beautiful glossy leaves and white spoon-shaped flowers. But peace lily plants contain calcium oxalate crystals that cause oral irritation, drooling, vomiting, difficulty swallowing, and irritation of the mouth, lips, and tongues of cats and dogs who ingest it.
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7Chrysanthemum
Marcia Straub//Getty Images This seasonal favorite contains many different toxins, including pyrethrins, which can cause GI upset, drooling, vomiting, and diarrhea. If large enough quantities of mums are ingested, cats and dogs also may develop loss of coordination and depression.
8Daffodil
Jacky Parker Photography//Getty Images This spring flowering bulb, also called narcissus, is in the same family as amaryllis. Daffodils can cause a long list of symptoms including vomiting, low blood pressure, convulsions, and cardiac issues. The bulbs are the most poisonous part.
9Sweet Pea
Clive Nichols//Getty Images Sweet peas may be lovely springtime flowers, but they can be deadly to cats and dogs if ingested. These flowers contain aminopropionitrile, which can cause weakness, lethargy, seizures, and death.
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10Oleander
Penpak Ngamsathain//Getty Images Oleander is a popular landscape shrub in warm climates. However, its leaves and flowers contain toxic cardiac glycosides, which cause abdominal pain, drooling, depression, severe vomiting, and even death.
11Hyacinth
Clive Nichols//Getty Images Hyacinths are beautiful spring bloomers which are part of the lily family, so they contain alkaloids that cause intense vomiting, bloody diarrhea, and tremors if ingested by cats or dogs.
12Autumn Crocus
Westend61//Getty Images This is usually a landscape plant, not a gifted plant. But if you do grow autumn crocus, make sure to keep pets away from the bulbs and the plant. Ingesting any part of this flower can result in oral irritation, bloody vomiting, shock, and multi-organ damage in both cats and dogs.
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