High-risk toxic
Lily
Lilium and Hemerocallis species
True lilies and daylilies are high-risk plants for cats. Even small exposures should be treated as urgent.
what flowers are toxic to cats
Use this page before accepting a bouquet or planting flowers where a cat can reach them. Lily names are especially important because true lilies are high-risk for cats.
Plant safety checker
This site is a pet-safety reference, not veterinary advice. If your pet has eaten a plant or is showing symptoms, contact your veterinarian or a poison-control service immediately.
Open a plant page for the direct answer, scientific name, safety notes, sources, and alternatives.
High-risk toxic
Lilium and Hemerocallis species
True lilies and daylilies are high-risk plants for cats. Even small exposures should be treated as urgent.
Reported toxic
Hydrangea species
Hydrangea is commonly reported as toxic to cats, dogs, and horses. Keep bouquets and yard clippings away from pets.
Use caution
Bellis perennis and related common names
Daisy is a common name used for several plants. Treat unidentified daisies as caution until the exact plant is confirmed.
Reported toxic
Chrysanthemum species
Chrysanthemums are commonly reported as toxic to cats and dogs. Do not use them as a cat-safe bouquet substitute.
Reported toxic
Paeonia officinalis
Peony is commonly reported as toxic to cats and dogs. Keep cut stems and petals away from pets.
Reported toxic
Tulipa species
Tulip is commonly reported as toxic to cats, dogs, and horses. Bulbs are a particular concern.
Reported toxic
Rhododendron species
Azalea and rhododendron are commonly reported as toxic to cats, dogs, and horses. Keep pets away from cuttings and yard plants.
Use caution
Hibiscus species
Hibiscus is a broad common name, so check the exact species before treating it as safe. Some pet owners search this because hibiscus appears in yards, teas, and bouquets.
Use caution
Alstroemeria species
Alstroemeria is not a true lily, but the lily-like common name creates confusion. Treat it as a caution flower and keep chewed stems away from cats.
Reported toxic
Zantedeschia species
Calla lily is not a true lily, but it is still commonly reported as toxic to cats and dogs because chewing can irritate the mouth and stomach.
High-risk toxic
Lilium longiflorum
Easter lily is a true lily and should be treated as a high-risk plant for cats. Do not wait for symptoms after a known cat exposure.
Use caution
Alstroemeria species
Peruvian lily is another common name for alstroemeria. It is not the same as true lilies such as Easter lily, but the shared name makes source checking important.