Myths vs truths: which plants are REALLY toxic to pets?

Having plants at home is synonymous with life, color, and freshness. But for those who have dogs and cats, a common doubt arises: can greenery pose a danger? The topic of toxic plants for pets often generates confusion — there are harmless species, some that require caution, and others that should really be avoided. To demystify the subject, we have gathered seven popular species and explained what is myth and what is truth about the risk they pose to pets.

Lily is toxic to dogs: True!

The lily is one of the most dangerous toxic plants, especially for cats, but it also poses a risk to dogs. All parts of the plant (including pollen!) can cause vomiting, diarrhea, and irritations. Due to its delicate appearance, the lily remains popular in arrangements. The tip is to keep it out of reach of pets or replace it with safe flowers, such as orchids.

Mother-in-law's tongue is bad for cats: True!

Classic in decoration and easy to care for, the mother-in-law's tongue contains saponins, substances that provoke nausea and salivation when ingested. The risk is moderate but requires attention in homes with curious animals. In tall pots or controlled outdoor areas, it can be kept without risks.

Dieffenbachia only causes harm if ingested: True, but with caution!

The dieffenbachia contains calcium oxalate crystals, which cause burning and swelling upon contact with mucous membranes. The greater danger is ingestion, but even contact with the sap can irritate the skin. With its exuberant appearance, the plant can be used in outdoor gardens, away from the circulation of pets.

Anthurium is harmless: Myth!

The anthurium, with its striking flowers, is also a toxic plant. Like the dieffenbachia, it contains calcium oxalate and can cause oral irritation and discomfort. The solution is to place the pots in high places or opt for artificial versions, which maintain the look without risks.

Pothos is dangerous: True!

Although popular indoors and widely used in suspended compositions, pothos should be avoided in homes with pets. It also releases irritating substances that cause itching, salivation, and nausea. It is one of the most common and underrated toxic plants, as direct contact is usually rare, but the risk increases if the animal bites the leaves.

Parrot beak causes allergies: True!

A classic presence at the end of the year, the parrot beak is beautiful — but toxic! Its milky sap can irritate the skin and cause itching, especially in cats. When ingested, it also causes vomiting. The plant can be cultivated in outdoor areas, provided that pets do not have direct access.

Azaelia is toxic only to cats: Myth!

The azalea contains grayanotoxins that affect both dogs and cats. Ingestion can cause vomiting, weakness, and, in large quantities, cardiac alterations. Even so, the species continues to be used in gardens, as cases of poisoning are rare. The ideal is to cultivate it in high places or enclosed flower beds.

CASACOR Publisher is a creator of exclusive content, developed by the Technology team at CASACOR based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.