Plant toxicology for cats
Is True Lily & Daylily toxic to cats?
Lilium spp., Hemerocallis spp. · Liliaceae
Verdict: Is True Lily & Daylily toxic to cats?
Yes — true lilies are a life-threatening emergency for cats. Every part can be dangerous, including petals, leaves, pollen and vase water. Even a small exposure can cause acute kidney injury.
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Go to an emergency veterinarian now
Do not wait for symptoms. Prevent grooming, gently wipe visible pollen from fur with a damp cloth, and take the plant or a clear photo with you.
- 1Go to an emergency veterinarian now—do not wait for symptoms.
- 2Prevent grooming and gently wipe visible pollen from fur with a damp cloth.
- 3Take the plant, label, or a clear photo with you for identification.
Possible signs after True Lily & Daylily exposure include:
- Vomiting
- Lethargy
- Loss of appetite
- Increased urination, then no urination at all
- Dehydration
- Seizures in late-stage kidney failure
Typical onset: Vomiting and lethargy at 1–3 hours; acute kidney injury at 12–72 hours
Unidentified nephrotoxin present in every part of the plant, including pollen and the water in the vase
Veterinary sources
Reviewed by Dr. Patti McCartney, Animal Naturopathic Doctor. This educational guide supports, but does not replace, diagnosis or treatment from a licensed veterinarian. Risk varies by dose, plant part, body size and health history.