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What Flowers Are Toxic to Cats? (and 15 Cat-Safe Flowers)

Which flowers are toxic to cats, why lilies are an emergency, symptoms to watch for, 15 cat-safe flowers for bouquets and how to keep cats safe around flowers.

Illustration of a cat sitting beside a vase of lilies

A bouquet on the table can be one of the most dangerous things in a home with cats. Some popular flowers cause nothing worse than an upset stomach, but others, especially lilies, can kill a cat within days. Cats chew leaves, brush against pollen and drink vase water, so it pays to know which flowers to keep out of the house and which are safe choices.

If you think your cat has eaten a toxic plant, call your veterinarian, an emergency clinic, the ASPCA Animal Poison Control Center at (888) 426-4435 or the Pet Poison Helpline at (855) 764-7661 right away. These helplines may charge a consultation fee. Do not wait for symptoms.

Lilies: the most dangerous flower for cats

True lilies (Lilium species) and daylilies (Hemerocallis species) are extremely toxic to cats. This includes Easter, Asiatic, Oriental, Stargazer, tiger and Casa Blanca lilies, all common in bouquets.

  • Every part is toxic: petals, leaves, stems, pollen and even the water in the vase.
  • Tiny amounts are enough. Licking pollen off fur or chewing part of one leaf can cause acute kidney failure.
  • Symptoms start within a few hours: vomiting, drooling, hiding, lethargy and loss of appetite. Kidney failure can follow within one to three days.
  • Fast treatment saves lives. Cats treated by a veterinarian early, before kidney damage sets in, have a much better outlook.

The simplest rule: never bring true lilies or daylilies into a home with cats, and do not plant them where cats roam. Not every plant called a lily acts the same way. Peace lilies and calla lilies cause painful mouth irritation rather than kidney failure, and lily of the valley affects the heart; all three should still be kept away from cats. Peruvian lily (alstroemeria) is generally considered non-toxic.

Other flowers toxic to cats

FlowerMain riskSeverity
Lily of the valleyHeart rhythm problems, vomitingSevere
Autumn crocus (Colchicum)Vomiting, organ damageSevere
OleanderHeart problemsSevere
Azalea and rhododendronVomiting, weakness, heart problemsSevere
FoxgloveHeart problemsSevere
KalanchoeVomiting; heart effects in large amountsModerate to severe
Tulips and hyacinthsVomiting, drooling (bulbs most toxic)Mild to moderate
DaffodilsVomiting, drooling; bulbs most toxicModerate
AmaryllisVomiting, tremorsModerate
CyclamenVomiting; roots most toxicModerate
ChrysanthemumsVomiting, drooling, skin irritationMild
CarnationsMild stomach upset, skin irritationMild
Baby’s breathVomiting, diarrheaMild
HydrangeaVomiting, diarrheaMild
Peony, iris, gladiolusVomiting, droolingMild

This list covers common bouquet and garden flowers, not every toxic plant. Check the ASPCA’s searchable database before bringing anything new home, and see our wider guide to poisonous flowers for plants that are risky for children and dogs too.

15 cat-safe flowers

These flowers are listed as non-toxic to cats by the ASPCA, which makes them good choices for bouquets and gardens:

  1. Roses (watch for thorns)
  2. Sunflowers
  3. Gerbera daisies
  4. Orchids (Phalaenopsis, moth orchids)
  5. Snapdragons
  6. Zinnias
  7. China asters
  8. Freesia
  9. Lisianthus
  10. Alstroemeria (Peruvian lily)
  11. Camellias
  12. Petunias
  13. Celosia
  14. Stephanotis (Madagascar jasmine)
  15. African violets

“Non-toxic” does not mean a cat can eat unlimited amounts. Any plant can cause a little vomiting if a cat eats enough of it, and florists often add toxic fillers such as lilies, eucalyptus or baby’s breath to otherwise safe bouquets. Check every stem.

How to keep cats safe around flowers

  • Ask for a cat-safe bouquet when ordering, and tell friends and family before holidays like Easter and Mother’s Day, when lilies are everywhere.
  • Inspect gift bouquets and remove any lilies straight away. Bag them and take them out of the house.
  • Clean up fallen pollen and petals promptly.
  • Use heavy vases with narrow necks so cats cannot drink the water or knock them over.
  • Offer cat grass so your cat has something safe to chew.

Houseplants carry their own risks. Our guides cover which plants are toxic to cats and specific plants like the peace lily. For making a safe bouquet last, see how to keep cut flowers fresh.

Signs your cat may have eaten a toxic plant

Symptoms depend on the plant, but watch for any of these, especially if you find chewed leaves or petals:

  • Vomiting, drooling or pawing at the mouth
  • Loss of appetite, hiding or unusual lethargy
  • Diarrhea
  • Drinking or urinating much more or much less than usual, a warning sign of kidney damage after lily exposure
  • Wobbliness, tremors, seizures or an irregular heartbeat, seen with plants that affect the heart or nervous system

What to do in an emergency

  1. Remove the plant and any pieces from your cat’s reach and mouth.
  2. Call your veterinarian or a pet poison helpline right away, even if your cat seems fine.
  3. Do not try to make your cat vomit unless a veterinarian tells you to.
  4. Bring the plant, a photo or the plant label to the clinic so the vet can identify it.
  5. Note the time of exposure and how much may have been eaten.

Cat-safe bouquet ideas

  • Bright and cheerful: sunflowers, gerbera daisies and snapdragons.
  • Soft and romantic: roses, lisianthus and alstroemeria.
  • Modern and long-lasting: a potted moth orchid instead of cut flowers.
  • Garden-picked: zinnias, China asters and celosia from your own beds.

Ask the florist to leave out lilies and to skip fillers such as eucalyptus, baby’s breath and ivy.

What veterinary and extension sources say

The UC Davis School of Veterinary Medicine warns that lilies in the Lilium group, especially Easter, Stargazer and Asiatic lilies, are dangerous to cats. The toxin is in every part of the plant and damages the kidneys, and a cat can develop fatal kidney failure from small exposures such as chewing a leaf or petal, licking pollen off its fur or drinking vase water. Signs are vomiting, lethargy and loss of appetite, with kidney failure very likely within 36 to 72 hours without treatment, which can include induced vomiting, activated charcoal, intravenous fluids and in severe cases one to four weeks of hemodialysis. Peace lilies and calla lilies are not in this group and are not fatal, but they can still cause harm.

Other flowers listed as poisonous

University of Florida Extension lists lilies, begonias and geraniums among plants to avoid around pets, along with aloe, caladiums, pothos, snake plant and cycads. Texas A&M Earth-Kind and the University of Illinois list garden flowers poisonous in general, including daffodil, hyacinth and narcissus bulbs (lycorine, causing nausea and vomiting), lily-of-the-valley (affects the heart), foxglove and larkspur (every part toxic), azaleas and rhododendrons, oleander, monkshood and autumn crocus. These lists are written for people, but their toxins are usually dangerous to pets as well, so treat any of them as unsafe for cats.

Safer choices

The University of Florida article names Phalaenopsis orchids, Christmas cactus, ponytail palm and lithops as safer options, and NC State lists spider plant as non-toxic to cats, dogs and horses. UF cautions that non-toxic does not mean edible, so even safe plants can cause vomiting or diarrhea when a lot is eaten.

If your cat chews a flower

Remove the cat and any remaining plant material, call your veterinarian or an animal poison control service immediately, and give the plant name, preferably the scientific name. Do not wait for signs, especially with lilies, because early treatment makes the difference. Keep cut flowers out of reach and clean up fallen petals and pollen.

Practical tips

  • Ask florists for cat-safe bouquets and check every stem.
  • Do not accept lily arrangements as gifts if you have a cat.
  • Check outdoor beds as well as indoor vases, as outdoor cats may chew bulbs and leaves.
  • Keep a list of the botanical names of everything in your garden.

Cornell Feline Health Center guidance

The Cornell Feline Health Center says lilies are especially dangerous: even tiny amounts can cause life-threatening kidney failure. Other harmful plants it lists include tulips, foxglove, philodendron, mistletoe, holly, amaryllis, baby breath, Sweet William and hydrangeas, and it stresses that the list is not exhaustive and that hundreds of plants are poisonous to cats. A small leaf of a common ornamental such as poinsettia can make a cat ill, and a larger amount could be fatal.

Signs of plant poisoning

Watch for sluggishness or lethargy, unsteady walking, drooling, heavy breathing, diarrhea, seizures and sudden vomiting, along with loss of appetite, irregular heartbeat, an inability to urinate or difficulty breathing. Symptom onset depends on the toxin, and by the time an owner notices a problem the cat may already be at serious risk, so prompt veterinary care is essential.

What to do

  1. Remove the cat from the plant and rinse any plant matter from the mouth if the cat allows it.
  2. Seek emergency veterinary care right away. Early treatment may be the only way to save the cat life.
  3. Do not make the cat vomit unless a veterinarian or poison control specifically tells you to.
  4. Bring the plant, or a photo or sample, to the appointment.
  5. If your vet is unavailable, call a poison hotline. Cornell lists the ASPCA Animal Poison Control Center (888-426-4435, a fee may apply) and the Pet Poison Helpline (855-289-0358).

Beyond flowers

Cornell also warns about lawn and garden products, including fertilizers, weed killers and snail bait, and about human foods like grapes, raisins, onions, avocados, chocolate and xylitol. If your cat goes outdoors, take extra care with yard products. Check plants before bringing them into the home, and avoid the toxic ones.

Making your garden and home safer for cats

Safety starts with knowing what you have. List every plant indoors and out by scientific name and check each against a veterinary toxic-plant list. Replace the worst offenders, especially true lilies, with safer species, and keep bulbs and cut stems out of reach. Cornell advises checking plants before bringing them into the home and avoiding the toxic ones. If your cat goes outdoors, check neighbors beds and use caution with lawn products.

Give cats something safe to chew

University of Florida Extension notes that pet-safe grass may deter plant chewing. A small pot of grass on a windowsill gives a bored cat a legal target and may reduce interest in your other plants. Rotate indoor plants to a patio if possible to give a cat less time with them. Keep a poison hotline number near your phone and in your contacts.

Common questions about flowers and cats

Are roses safe for cats?

The sources reviewed here do not list roses as poisonous, but thorns can injure, and rose bushes may carry pesticides. Check labels and avoid treated flowers.

Are sunflowers and zinnias safe?

They are not on the lists reviewed here, but do not assume safety from appearance. Ask your veterinarian or check a veterinary toxicology database for the exact species.

Is it only lilies that matter?

No. Lilies are the most dangerous, but Cornell lists tulips, foxglove, amaryllis, hydrangeas and others, and notes hundreds of plants are poisonous to cats.

Should I give my cat anything at home?

Do not induce vomiting unless a veterinarian or poison control tells you to. Cornell warns that some poisons cause more harm when vomited.

Sources and further reading

This article is general information, not veterinary advice. Contact your veterinarian about any possible poisoning.

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Frequently asked questions

What flowers are most toxic to cats?

True lilies and daylilies are the most dangerous; even pollen or vase water can cause fatal kidney failure. Lily of the valley, autumn crocus, oleander, azaleas and foxglove are also highly toxic.

Are roses safe for cats?

Yes. Roses are non-toxic to cats, though thorns can injure mouths and paws.

Can cats be poisoned by smelling lilies?

Smelling alone is not the main danger, but cats easily brush pollen onto their fur and lick it off, which is enough to poison them.

What should I do if my cat ate part of a lily?

Treat it as an emergency. Take your cat to a veterinarian immediately, even if it seems fine, and bring the plant or a photo with you.

Reviewed October 2026. Sources: UC Davis School of Veterinary Medicine: Lilies and cats UF/IFAS Extension Lake County: Poisonous plants and pets Texas A&M Earth-Kind: Common poisonous plants and plant parts University of Illinois Extension: Knowing poisonous plants