§ Toxic plants · Asphodelaceae · Checked Oct 2026
Is daylilies toxic to cats?
Yes. Daylilies (Hemerocallis spp.) is toxic to cats, according to the ASPCA Animal Poison Control Center. Plant Smart rates its effects Critical, level 4 of 4.
Get a permanent discount if you join Early Access. iPhone and Android, in the contiguous U.S.
§ 010 · Signs
What to watch for
Signs include vomiting, loss of appetite, lethargy and kidney failure. Eaten in quantity, it can be fatal. Signs can start within hours; some take a day or more to show.
§ 020 · If it happened
What to do if your pet ate it
Call your vet or a pet poison hotline straight away, even if your pet seems fine: the ASPCA Animal Poison Control Center, (888) 426-4435, or Pet Poison Helpline, (855) 764-7661. Both are open 24 hours and charge a fee. Have the plant or a photo of it to hand, and don’t make your pet vomit unless a vet tells you to.
§ 030 · Same family
Other Asphodelaceae plants toxic to pets
Daylilies belongs to the Asphodelaceae family. ASPCA lists these relatives too.
§ 040 · Questions
Questions about daylilies and pets
Is daylilies toxic to cats?
Yes. ASPCA lists daylilies as toxic to cats.
Is daylilies toxic to dogs?
ASPCA's list does not name daylilies as toxic to dogs. That is not the same as safe: call a vet if your dog eats it and seems unwell.
What happens if my pet eats daylilies?
Signs include vomiting, loss of appetite, lethargy and kidney failure. Eaten in quantity, it can be fatal. Plant Smart rates it Critical, level 4 of 4.
What should I do if my pet ate it?
Call your vet or a pet poison hotline right away, even before signs appear: the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661. Both charge a fee. Have the plant, or a photo of it, to hand.