Tiger Lily

Not listed does not mean safe.

Amada44 · CC BY-SA 3.0 · Photo source · shows: Lilium lancifolium

Lilium tigrinum

Accepted name per Kew POWO/WCVP: Lilium lancifolium Thunb. (the ASPCA lists this plant as Lilium tigrinum)

Family: Liliaceae · ASPCA plant record

Verdict at a glance

🐱 Cats⚠ ToxicMerck Veterinary Manual — Houseplants and Ornamentals Toxic to Animals

🐶 Dogs✓ Non-toxicASPCA Toxic and Non-Toxic Plants

UC Davis veterinary medicine: dogs do not get kidney failure from lilies but may get an upset stomach. Full note

Show all animals

🐴 Horses✓ Non-toxicASPCA Toxic and Non-Toxic Plants

🦜 Pet birds (general)! CautionVCA: on the may-be-poisonous list (not specifically reported)

🐢 Tortoises! CautionTortoise Trust: listed as toxic, degree uncertain

Evidence by animal

Sourced plant verdicts — read the original wording and scope
Animal	Verdict	Basis	Plant parts	Sources	Evidence link
Companion mammals
Cats	Cats: ⚠ Toxic		Not specified	Merck Veterinary Manual Veterinary reference Pet Poison Helpline Poison control ASPCA Toxic and Non-Toxic Plants Poison control	evidence
Dogs	Dogs: ✓ Non-toxic	Species note UC Davis veterinary medicine: dogs do not get kidney failure from lilies but may get an upset stomach. ASPCA's "non-toxic" for dogs does not mean a lily is a good snack. Dogs do not develop kidney failure from ingesting lilies, but they may get an upset stomach. UC Davis Veterinary Medicine — When Plants and Animals Don't Mix	Not specified	ASPCA Toxic and Non-Toxic Plants Poison control	evidence
Horses & livestock
Horses	Horses: ✓ Non-toxic		Not specified	ASPCA Toxic and Non-Toxic Plants Poison control	evidence
Birds
Pet birds (general)	Pet birds (general): ! Caution	VCA: on the may-be-poisonous list (not specifically reported)	Not specified	VCA Animal Hospitals Veterinary reference	evidence
Reptiles
Tortoises	Tortoises: ! Caution	Tortoise Trust: listed as toxic, degree uncertain	Not specified	Tortoise Trust Specialist charity	evidence

Source excerpts

Merck Veterinary Manual — Houseplants and Ornamentals Toxic to Animals — Cats

veterinary-reference

Merck row: Lilium longiflorum, L tigrinum (the row names both species)

Renal failure in cats 2–4 days after ingestion. Not reported toxic to other species.

Source checked 2026-10-27 (source updated Sept 2024 (full review Nov 2023))

Read original source

Pet Poison Helpline — Top 10 Plants Poisonous to Pets — Cats

poison-control

PPH: "true lilies… include tiger, day, Asiatic, Easter and roselilies"

all of which are highly toxic to cats! Even small ingestions, including pollen or vase water, can result in severe kidney failure.

Source checked 2026-10-27

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ASPCA Toxic and Non-Toxic Plants — Cats

poison-control

Toxic to Cats

Source checked 2026-10-27

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ASPCA Toxic and Non-Toxic Plants — Dogs, Horses

poison-control

Non-Toxic to Dogs, Non-Toxic to Horses

Source checked 2026-10-27

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VCA Animal Hospitals — Plants That Are Toxic to Birds — Pet birds (general)

veterinary-reference

VCA: on the may-be-poisonous list (not specifically reported) · VCA: on the list of "many plants which may be poisonous to birds, although it is not exhaustive"; no asterisk, so not specifically reported harmful in birds. VCA notes information is often inferred from other species.

Tiger Lily

Source checked 2026-10-27 (source updated Aug 14, 2026)

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Tortoise Trust — Toxic Plants and Tortoises — Tortoises

specialist-charity

Tortoise Trust: listed as toxic, degree uncertain · Tortoise Trust toxic-plant list (from Highfield 2001): "Some plants on this list may be safely consumed in small or moderate quantities, but may be fatally toxic under certain circumstances or in large doses"; exact degree of toxicity unknown.

Tiger lily

Source checked 2026-10-27

Read original source

No evidence collected in this database yet for 18 animals

No evidence collected in this database yet for: Rabbits, Guinea pigs, Hamsters, Rats, Mice, Chinchillas, Ferrets, Parrots (macaws, Amazons, African greys…), Budgerigars (budgies), Cockatiels, Lovebirds, Canaries, Finches, Pigeons & doves, 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: Unknown Source

Clinical signs

ASPCA, as published: Vomiting, inappetence, lethargy, kidney failure, and death is possible. Cats are only species known to be affected. Source

More from veterinary sources

Last verified (ASPCA record): 2026-10-27. Source access dates and limitations.

Similar plants (same family)

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