Tiger lily Toxic?

Updated 2026-03-06| 5 min read| 2,733 found this helpful
Tiger lily
1

All parts of the tiger lily plant are toxic, with cats being the only confirmed highly susceptible species

2

Ingestion by cats leads to progressive kidney failure that is fatal if not treated within 24 hours of exposure

3

No confirmed toxicity cases have been reported for humans, dogs, or horses from available data

FAQ

Is Tiger lily toxic to Humans?

No confirmed toxicity data available for human exposure (Non-toxic)

Is Tiger lily toxic to Cats?

Phase 1 (1-3 hours post-ingestion): Vomiting, hypersalivation, anorexia, lethargy, and loss of appetite. Gastrointestinal symptoms temporarily resolve after 2-6 hours, falsely indicating recovery. Phase 2 (12-30 hours post-ingestion): Increased urination leading to dehydration; untreated cases progress to no urine output 24-48 hours post-ingestion, recurrent vomiting, and severe kidney damage. (Severe)

Is Tiger lily toxic to Dogs?

No confirmed toxicity data available for canine exposure (Non-toxic)

Is Tiger lily toxic to Horses?

No confirmed toxicity data available for equine exposure (Non-toxic)

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Toxicity Details

Humans
Non-toxic

No confirmed toxicity data available for human exposure

Cats
Severe

Phase 1 (1-3 hours post-ingestion): Vomiting, hypersalivation, anorexia, lethargy, and loss of appetite. Gastrointestinal symptoms temporarily resolve after 2-6 hours, falsely indicating recovery. Phase 2 (12-30 hours post-ingestion): Increased urination leading to dehydration; untreated cases progress to no urine output 24-48 hours post-ingestion, recurrent vomiting, and severe kidney damage.

Dogs
Non-toxic

No confirmed toxicity data available for canine exposure

Horses
Non-toxic

No confirmed toxicity data available for equine exposure

Toxicity Snapshot

Toxic PartsAll parts of the plant
Exposure RouteIngestion of any plant material is the primary confirmed exposure route
Toxic CompoundsUnknown toxic compound; Tuliposide

First Aid & Prevention

First 30 Minutes

  • • If cat ingestion is confirmed or suspected, contact a veterinarian immediately
  • • Remove all remaining plant material from the cat's mouth and immediate environment
  • • Do not administer home remedies without explicit veterinary direction

Contact Vet Immediately

  • • Any confirmed or suspected ingestion of tiger lily plant material by a cat
  • • Appearance of vomiting, lethargy, or increased thirst/urination after exposure to lilies
  • • Signs of dehydration or reduced urine output following lily exposure

Prevention

  • • Keep all tiger lily plants, cut flowers, and plant debris out of reach of cats
  • • Avoid planting tiger lilies in yards or gardens accessible to pet cats
  • • Inspect all cut flower bouquets for hidden lily parts before bringing them into homes with cats

Treatment & Prognosis

  • • Early intravenous sodium chloride fluid therapy (2-3 times maintenance requirement) administered within 24 hours of ingestion for 1 to 3 days
  • • Peritoneal lavage, peritoneal dialysis, or hemodialysis is required if kidney function loss (anuria) has developed
  • • Decontamination and symptomatic supportive care may be provided as directed by a veterinarian
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Professional Toxicology

Scientific NameLilium lancifolium Thunb., Lilium tigrinum Ker Gawl.
AliasesDevil lily、Tiger-Lilie (German)、Lis tigré (French)
Toxicity Grade
HumansNon-toxic
CatsSevere
DogsNon-toxic
HorsesNon-toxic
Target Organs
KidneysGastrointestinal tract
Mechanism of Action

• Toxic compounds are metabolized and accumulate in feline kidney tissue, causing progressive damage

• The full mechanism of action is not fully characterized, as one key toxin remains unidentified

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cat: Ingestion of any amount of plant material causes severe kidney damage that is fatal if not treated within 24 hours of exposure
Confusion Risk

The following plants look similar and may be confused:

Other lily species Lilium spp.
Visually similar to tiger lilies, share the same severe toxicity profile for cats
Orange daylily Hemerocallis fulva
Similar trumpet-shaped flower structure, also extremely toxic to cats
Yellow daylily Hemerocallis lilioasphodelus
Similar growth habit and flower form, poses the same fatal kidney risk for cats
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Data Sources

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.

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