True lilies and daylilies are among the most dangerous plants a cat can touch. Chewing a leaf, drinking vase water or grooming pollen off the fur can damage the kidneys. With Thanksgiving centrepieces and autumn bouquets arriving in Vic West homes, keep lilies out of any house with a cat, and phone immediately after any contact.
Why autumn is a lily season
Most people link lilies with Easter, but they are a staple of flower arrangements all year. In autumn they turn up in Thanksgiving centrepieces, hostess gifts, grocery store bouquets and sympathy arrangements, often mixed in with sunflowers and seasonal foliage. A guest who does not have a cat will not think twice about bringing them.
Thanksgiving Monday falls on October 12 in 2026, and it is a statutory holiday, so many clinics, ours included, are closed that day. Knowing the risk in advance matters more than usual.
Which lilies matter
“Lily” is used for a lot of different plants, and they are not equally dangerous.
Kidney danger: the ones to keep out completely
- True lilies (Lilium), including Easter lilies, tiger lilies, Asiatic lilies and Oriental lilies such as stargazers
- Daylilies (Hemerocallis), mostly a risk in gardens, since they are rarely used in bouquets
Every part of these plants is toxic to cats, from petal to stem, including the pollen and any water the flowers have stood in.
Mouth irritation: unpleasant, rarely serious
Peace lilies and calla lilies are not true lilies. Chewing them causes drooling, pawing at the mouth and sometimes vomiting, because of crystals in the plant that irritate the mouth. They do not damage the kidneys.
A different danger altogether
Lily of the valley is not a true lily either, but it affects the heart and is dangerous to both cats and dogs. Regard any contact as an emergency and phone straight away.
Generally low risk
Alstroemeria, sometimes sold as Peruvian lily, is considered low risk and usually causes, at most, a mild stomach upset.
If you are not sure what is in a bouquet, assume it contains a dangerous lily until you know otherwise.
How little it takes
A cat does not have to eat a whole flower. Serious kidney injury can follow a cat chewing part of a single leaf, drinking from the vase, or brushing past the flowers and grooming the orange or yellow pollen off its coat afterward. There is no amount that is known to be safe.
Dogs are different. Lilies usually cause only a stomach upset in dogs, though it is still worth a call if your dog eats one.
What you might see, and when
In the first few hours, a cat may vomit, drool, hide, seem quiet or stop eating. Some cats then appear to improve, which is dangerous because it tempts owners to wait. Over the next one to three days, kidney damage can develop, with changes in thirst and urination, weakness and dehydration.
By the time those later signs appear, the kidneys may already be badly affected. Cats who receive care early, ideally within the first few hours, have a much better outlook than cats who are brought in once they are unwell. Blood and urine tests through our diagnostic services show how the kidneys are coping.
If your cat has touched a lily
- Move your cat away from the flowers and put the bouquet somewhere your cat cannot reach.
- Wipe any pollen off the fur with a damp cloth, so your cat does not groom more of it off.
- Phone us straight away, even if your cat seems completely normal. Do not wait for signs.
- Bring the plant, a photo of it, or the florist’s label, so we know exactly what we are dealing with.
- Do not try to make your cat vomit at home. The veterinary team will decide whether that is safe.
Lily contact is one of the reasons we keep room for same-day urgent care, and you can see the rest of what we offer on our site. We are closed overnight, on Sundays and on statutory holidays, including Thanksgiving Monday. If a cat has touched a lily, or any pet has touched lily of the valley, while we are closed, go directly to the closest emergency veterinary hospital and call ahead so they are ready for you.
Safer flowers, and how to ask for them
- Tell friends and family that you have a cat, and ask them to skip lilies. Most people are glad to know.
- When ordering flowers, ask the florist for a cat-safe arrangement with no lilies of any kind.
- Check grocery bouquets before they come home. Lilies are often tucked into the middle.
- Roses, sunflowers, gerbera daisies and orchids are generally considered safe for cats, although any plant can cause a mild stomach upset if eaten.
- Autumn chrysanthemums are not a kidney risk but can cause vomiting, drooling and diarrhea, so keep them out of reach too.
- If a lily bouquet arrives as a gift, the safest option is to keep it out of the home entirely.
New cat owners often do not know about lilies at all. If you have just brought a cat home, our guide to settling a newly adopted pet in Vic West covers the early weeks, and our winter care tips for dogs and cats in Victoria look ahead to the colder months.
Frequently asked questions
My cat only sniffed the lilies. Is that a problem?
It can be. Sniffing often leaves pollen on the face, which your cat will then groom off. Check the nose, whiskers and chin for orange or yellow pollen, wipe it off, and phone us.
Is it safe to keep lilies in a room the cat never goes into?
Only if you are certain the cat can never get in, and that pollen and fallen petals will not be carried out on clothing. For most households, it is simpler not to have lilies at all.
What about lilies growing in the garden?
Garden lilies and daylilies are just as toxic. If your cat goes outside, it is worth replacing them, and keeping an eye on neighbours’ gardens where your cat roams.
My dog ate a lily. Should I worry?
True lilies usually cause only a stomach upset in dogs. Lily of the valley is the exception, and it is dangerous to dogs too. If your dog has eaten lily of the valley, or you are unsure which plant it was, phone us right away, or go to the nearest emergency veterinary hospital if we are closed.
How quickly do I need to act?
Immediately. Early care makes the biggest difference, so do not wait to see whether your cat becomes unwell.
Are dried lilies in arrangements safe?
No. Dried lilies are still considered toxic to cats. Keep them out of the house as well.
Speak to the team at Vic West Pet Hospital
If your cat has touched a lily, phone us right away, or go directly to the nearest emergency veterinary hospital if we are closed.
Published by the team at Vic West Pet Hospital.
This article is for general educational purposes only and is not a substitute for an in-person veterinary examination or advice about your individual pet. If you have an urgent concern about your pet, contact Vic West Pet Hospital or your nearest emergency veterinary hospital right away.
Vic West Pet Hospital526 Esquimalt Rd, Victoria, BC V9A 3L4Phone: (778) 265-4500Email: reception.vwph@gmail.comHours: Monday 9:00 AM to 6:00 PM; Tuesday to Friday 8:00 AM to 6:00 PM; Saturday 9:00 AM to 6:00 PM; closed for lunch 1:00 PM to 1:30 PM; Sunday and statutory holidays closed