Cats
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources
Pet safety reference
Daylily
Hemerocallis spp.
Day lilies are popular garden perennials known for their vibrant, trumpet-shaped blooms. While beautiful, they are highly dangerous to cats and should be kept strictly out of reach.
DaylilyHemerocallisHemerocallis spp.Tiger Lily
- Light
- Full sun to partial shade
- Habit
- Clumping herbaceous perennial
- Care
- Low
Safety status
Dogs
UncertainIdentity or evidence quality is not strong enough for a firm answer.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources
If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.
Cats — concern notes
Common signs
Vomiting, lethargy, loss of appetite, and signs of kidney failure such as increased thirst and urination.
Escalation note
Ingestion of any part of the plant can cause acute kidney failure in cats. This is a medical emergency; contact your veterinarian or an animal poison control center immediately if ingestion is suspected.
Dogs — concern notes
Common signs
Mild gastrointestinal upset such as vomiting or diarrhea may occur if ingested.
Escalation note
While not listed as toxic to dogs by the ASPCA, ingestion of any non-food plant material can cause digestive upset. Monitor your pet and consult a veterinarian if symptoms persist.
Safer alternatives
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Source evidence
ASPCA Toxic Plant List
toxicology · 99% reliability
Day lily is toxic to cats, causing kidney failure.
Kew Plants of the World Online
botanical · 95% reliability
Accepted scientific classification for the genus Hemerocallis.
Often compared with
Commonly confused with
Both sold as "Daylily".
Lily
Lilium species
True lilies are highly toxic to cats, causing severe kidney damage even with minimal exposure. While data for dogs is less definitive, they should still be kept away from all parts of the plant.
Potentially toxic for cats.
Uncertain for dogs.
Same Hemerocallis genus.
Orange Day Lily
Hemerocallis graminea
The Orange Day Lily is a perennial flowering plant known for its vibrant, trumpet-shaped blooms. While popular in gardens, it is highly dangerous to cats if ingested.
Potentially toxic for cats.
Uncertain for dogs.
Same safety verdict
Other plants with the same verdict
Asiatic Lily
Lilium asiatica
Asian lilies are popular ornamental flowering plants known for their vibrant blooms, but they pose a significant health risk to certain pets. Ingestion of any part of the plant can lead to severe systemic issues.
Potentially toxic for cats.
Uncertain for dogs.
Catnip
Nepeta cataria
Catnip is a member of the mint family known for its stimulating effects on many cats, though ingestion of large quantities can cause gastrointestinal distress. It is generally considered safe for dogs, though it is not a standard part of their diet.
Potentially toxic for cats.
Uncertain for dogs.
Easter Lily
Lilium longiflorum
The Easter Lily is a bulbous perennial known for its large, fragrant, trumpet-shaped white flowers. It is highly significant in veterinary medicine due to its extreme toxicity to cats.
Potentially toxic for cats.
Uncertain for dogs.
Japanese Show Lily
Lilium speciosum
Lilium speciosum is a bulbous perennial known for its fragrant, recurved petals and striking color patterns. It is highly toxic to cats, as are many members of the Lilium genus.
Potentially toxic for cats.
Uncertain for dogs.
Same growing conditions
Plants for the same room
Dock
Rumex sp.
Dock is a genus of perennial herbs often found in fields and gardens that contains soluble calcium oxalates. Ingestion of any part of the plant can cause irritation to the mouth and digestive tract.
Potentially toxic for cats & dogs.
Spreading Dogbane
Apocynum androsaemifolium
Bitter Root is a perennial herbaceous plant known for its pink, bell-shaped flowers and milky sap. It contains cardiac glycosides that are harmful if ingested by pets.
Potentially toxic for cats & dogs.
Iris
Iris species
Iris species are popular perennial garden plants known for their showy, complex flowers and sword-like foliage. They contain chemical compounds that can cause gastrointestinal irritation if ingested by pets.
Potentially toxic for cats & dogs.