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My Cat Ate Lily: What to Do and Signs to Watch For

PawAI Lab
6 min read

Find out what to do right now if your cat ate lily, what signs to monitor for, and when to seek veterinary care.

Quick Answer

If your cat ate lily, contact a veterinarian or animal poison-control service immediately. Lily is toxic to cats. Lilies are among the most dangerous plants for cats. Even pollen groomed from fur, a few bites of leaf, or drinking vase water can be fatal. Do not induce vomiting or give home remedies unless instructed by a professional.

Before using any tool, contact a veterinary professional if your cat may have been exposed.

  • US: ASPCA Animal Poison Control (888-426-4435) or Pet Poison Helpline (855-764-7661)
  • UK: Animal PoisonLine (01202 509000) or your nearest veterinary emergency clinic
  • Canada: ASPCA Animal Poison Control (888-426-4435) or Pet Poison Helpline (855-764-7661)
  • AU: Animal Emergency Centre or your regular vet
  • EU: Contact your nearest veterinary emergency service

TOXICITY CHECKER

Check whether a substance may be harmful to your pet and get prioritized safety steps.

Check Toxicity

This tool provides general safety information and does not replace veterinary advice in an emergency.

Safety Verdict

Toxic. True lilies (Lilium species) and daylilies (Hemerocallis) contain a water-soluble toxin that causes acute kidney injury specifically in cats. All parts are dangerous including petals, leaves, stems, and pollen. Even licking pollen off fur or drinking vase water can be fatal. The toxin causes severe damage to renal tubular cells.

Lilies are among the most dangerous plants for cats. Even pollen groomed from fur, a few bites of leaf, or drinking vase water can be fatal. Cats are uniquely susceptible. True lilies include Easter, tiger, Asiatic, Oriental, and stargazer lilies. Daylilies are also extremely toxic.

What Lily Is

True lilies (Lilium species) including Easter lilies, tiger lilies, Asiatic lilies, Oriental lilies, and stargazer lilies are extremely toxic to cats. All parts of the plant are dangerous, including petals, leaves, stems, and pollen. Daylilies (Hemerocallis) are also extremely toxic.

Why Lily May Be Harmful to Cats

The toxic principle in lily is an unidentified water-soluble toxin. True lilies (Lilium species) and daylilies (Hemerocallis) contain a water-soluble toxin that causes acute kidney injury specifically in cats. All parts are dangerous including petals, leaves, stems, and pollen. Even licking pollen off fur or drinking vase water can be fatal. The toxin causes severe damage to renal tubular cells.

Extremely life-threatening. Can cause fatal kidney failure within days without prompt treatment.

Signs to Watch For After Your Cat Ate Lily

Monitor your cat for these signs:

  • Vomiting (first sign, within 6-12 hours)
  • Drooling and excessive salivation
  • Lethargy
  • Loss of appetite
  • Increased thirst
  • Changes in urination
  • Weakness and depression
  • Dehydration
  • Hiding or unusual behavior

Timeline: Vomiting begins within 6-12 hours. Kidney injury signs follow within 12-72 hours if untreated.

Emergency signs that require immediate veterinary attention:

  • Repeated vomiting
  • Lethargy, weakness, or hiding
  • Increased thirst or changes in urination
  • Drooling
  • Refusal to eat or drink
  • Decreased or absent urination

The absence of signs does not necessarily mean your cat is safe. Some toxic substances have delayed effects, and internal damage can occur without obvious early symptoms. Veterinary evaluation is recommended after any known exposure to a toxic substance.

What to Do If Your Cat Ate Lily

  1. Contact a veterinarian or animal poison-control service immediately.
  2. Remove any remaining substance from your cat's reach.
  3. Do not induce vomiting unless instructed by a veterinarian.
  4. Do not give food, milk, charcoal, or home remedies.
  5. Bring the substance, plant, or packaging for identification.

Gather this information before calling:

  • Your cat's age, approximate weight, and any existing health conditions
  • What your cat ate and how much (estimate if unsure)
  • When the exposure occurred
  • Any symptoms already present
  • The product label, plant identification, or packaging

If exposure may have occurred and your cat appears normal, veterinary examination and blood work are still strongly recommended. Kidney damage can be present without outward signs.

When to Contact a Veterinarian

Contact a veterinarian or animal poison-control service immediately if your cat ate lily, as lily is known to be toxic to cats. Do not wait for symptoms to appear.

Emergency signs that require urgent veterinary attention:

  • Repeated vomiting
  • Lethargy, weakness, or hiding
  • Increased thirst or changes in urination
  • Drooling
  • Refusal to eat or drink
  • Decreased or absent urination

Non-urgent follow-up: If exposure may have occurred and your cat appears normal, veterinary examination and blood work are still strongly recommended. Kidney damage can be present without outward signs.

FAQ

Can a cat die from licking lily pollen?

Yes. Licking pollen off fur, grooming after contact, or drinking vase water can be sufficient to cause fatal kidney failure. All parts of true lilies are hazardous.

Are peace lilies toxic in the same way?

No. Peace lilies contain calcium oxalate crystals causing mouth irritation, not kidney failure. However, any plant ingestion should be discussed with a veterinarian.

How quickly do symptoms appear?

Signs typically develop within 6-12 hours. Vomiting and drooling are often first. Kidney injury signs may follow within 12-72 hours. Seek veterinary care immediately.

TOXICITY CHECKER

Concerned about another plant, food, medication, or household item around your cat? Get general, species-aware safety information to help you decide your next step.

Try Toxicity Checker

This tool provides general safety information and does not replace veterinary advice.

Sources

Disclaimer

This article and the PawAI Toxicity Checker tool provide general safety information and do not replace examination, diagnosis, or treatment by a licensed veterinarian. If your cat may have ingested a toxic substance, contact a veterinarian, emergency clinic, or animal poison control immediately.

Written by PawAI Lab