Cats
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources

Begonia cleopatra
Begonia cleopatra is a popular ornamental houseplant known for its striking, maple-shaped foliage. It contains soluble calcium oxalates that can cause irritation if ingested by pets.
Safety status
Cats
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources
Mapleleaf begonia, like all begonias, is toxic to cats. The leaves and stems carry insoluble calcium oxalate crystals — microscopic needles that bury into the mouth and throat the moment your cat bites. Most ingestions are painful but not life-threatening, and the burning sensation usually stops cats from eating much.
Immediate pawing at the mouth, drooling, and head shaking from oral pain. Foamy vomiting, difficulty swallowing, and a few hours of reduced appetite are common. Severe swelling of the tongue or throat is uncommon but possible — that's the red-flag sign.
Signs typically appear within 5 to 15 minutes of biting the plant. Most cats recover fully within 24 to 48 hours with supportive care; prognosis is excellent when symptoms are addressed within four hours of ingestion.
Call your vet or ASPCA APCC (1-888-426-4435) for any ingestion, especially in kittens or cats with breathing changes. Go in immediately if you see swelling around the face or throat, persistent drooling beyond an hour or two, or any difficulty breathing.
Gently rinse your cat's mouth with cool water using a syringe or small cup — aim at the inner cheeks, not the back of the throat, to flush loose crystals without causing aspiration. Wipe away any plant fragments and offer fresh water (not milk).
Sources: ASPCA, Pet Poison Helpline.
If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.
Cats — concern notes
Common signs
Oral irritation, excessive drooling, difficulty swallowing, and vomiting.
Escalation note
The plant contains soluble calcium oxalates which cause immediate irritation to the mouth and throat. If your cat has ingested a significant amount, please contact your veterinarian.
Safer alternatives
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ASPCA Toxic Plant List
toxicology · 99% reliability
Begonia species contain soluble calcium oxalates that are toxic to cats and dogs.
Same cat verdict

Monstera deliciosa is a popular tropical houseplant known for its large, fenestrated leaves and vining growth habit. It contains insoluble calcium oxalate crystals that can cause irritation if ingested by pets.
Potentially toxic for cats & dogs.

Dracaena trifasciata is a popular, hardy houseplant known for its stiff, sword-like leaves with striking yellow margins. It is widely appreciated for its air-purifying qualities and ability to thrive in various indoor conditions.
Potentially toxic for cats & dogs.

Philodendrons are popular tropical foliage plants known for their lush, heart-shaped or split leaves. They contain insoluble calcium oxalate crystals that can cause irritation if ingested.
Potentially toxic for cats & dogs.