Heartleaf Philodendron

Not listed does not mean safe.

KENPEI · CC BY-SA 3.0 · Photo source · shows: Philodendron hederaceum

Philodendron hederaceum

Also known as: Cordatum, Sweetheart Plant

Family: Araceae · ASPCA plant record

Verdict at a glance

🐱 Cats⚠ Toxic 🐶 Dogs⚠ Toxic 🐴 Horses⚠ Toxic 🦜 Budgerigars (budgies)⚠ Toxic

Each tile reflects collected claims for that animal. Missing animals are listed below.

Evidence by animal

Sourced plant verdicts — read the original wording and scope
Animal	Verdict and evidence
Companion mammals
🐱 Cats	Cats: ⚠ Toxic ASPCA Toxic and Non-Toxic Plants — ⚠ Toxic Toxic to Dogs, Toxic to Cats, Toxic to Horses Read original source
🐶 Dogs	Dogs: ⚠ Toxic ASPCA Toxic and Non-Toxic Plants — ⚠ Toxic Toxic to Dogs, Toxic to Cats, Toxic to Horses Read original source
Horses & livestock
🐴 Horses	Horses: ⚠ Toxic ASPCA Toxic and Non-Toxic Plants — ⚠ Toxic Toxic to Dogs, Toxic to Cats, Toxic to Horses Read original source
Birds
🦜 Budgerigars (budgies)	Budgerigars (budgies): ⚠ Toxic Avian toxicoses: a review (Frontiers in Veterinary Science, 2025) — ⚠ Toxic Philodendron \| Budgerigars (E) Table 2, "Some plants are toxic to pet birds" (C = clinical report, E = experimental). Basis: experimental. Read original source

No reliable data for 19 animals

No reliable data for: Rabbits, Guinea pigs, Hamsters, Rats, Mice, Chinchillas, Ferrets, Pet birds (general), Parrots (macaws, Amazons, African greys…), Cockatiels, Lovebirds, Canaries, Finches, Pigeons & doves, Tortoises, Bearded dragons, Iguanas, Goats, Chickens & other poultry

No supported claim has been collected for these animals. Not listed does not mean safe; do not infer suitability from another species.

Toxic principles

ASPCA, as published: Insoluble calcium oxalates Source

Clinical signs

ASPCA, as published: Oral irritation, pain and swelling of mouth, tongue and lips, excessive drooling, vomiting (not horses), difficulty swallowing Source

Last verified (ASPCA record): 2026-10-26. Source access dates and limitations.

Similar plants (same family)

Shared family is not a shared verdict. Check each plant separately.