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Daylily vs. Orange Day Lily: which is safe for cats and dogs?

Daylily and Orange Day Lily are frequently compared because both belong to the Hemerocallis genus, sharing similar growth habits and striking, trumpet-shaped flowers. It is vital for pet owners to understand that both plants are considered potentially toxic to cats, with ingestion of any part of either plant posing a severe risk of acute kidney failure. While these plants are not officially classified as toxic to dogs, they may still cause mild gastrointestinal upset if consumed. Because of the extreme danger they present to feline health, it is best to keep both varieties entirely out of your home and garden if you share your space with cats.

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.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, lethargy, loss of appetite, and signs of kidney failure such as increased thirst and urination.

dog

Uncertain

Identity or evidence quality is not strong enough for a firm answer.

Watch for

Mild gastrointestinal upset such as vomiting or diarrhea may occur if ingested.

Full Daylily reference →

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.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, lethargy, loss of appetite, and potential acute kidney failure.

dog

Uncertain

Identity or evidence quality is not strong enough for a firm answer.

Watch for

Mild gastrointestinal upset such as vomiting or diarrhea may occur if ingested.

Full Orange Day Lily reference →