Poisonous cut flowers for dogs and cats

Some popular cut flowers can be dangerous for dogs and cats. Here you'll find a simple guide to which flowers to avoid – and which safer alternatives we recommend for households with pets.

Last updated: By: FlowerDeliveryNow.co.uk editorial team Reading time: approx. 6 min
🐱 Lilies can be life-threatening for cats — including pollen and vase water.
🌷 Tulip bulbs are more toxic than the flower — petals usually cause milder symptoms.
🌹 Roses and gerbera are often safer choices in households with a dog or cat.

Many common bouquets, especially mixed bouquets from supermarkets or florists, contain flowers that are directly unsuitable for households with pets. Knowing which cut flowers are most dangerous for dogs and cats helps you choose the right bouquet, place it safely, or exclude certain flowers when ordering.

Quick overview

  • LiliesVery dangerous for cats, can cause acute kidney failure.
  • TulipsCan cause vomiting and irritation, the bulbs are worst.
  • DaffodilsHighly toxic to both dogs and cats.
  • HyacinthSap irritates mouth and skin, vomiting is common.
  • AmaryllisToxic for both dogs and cats, common at Christmas.
  • ChrysanthemumContains pyrethrins, toxic for both species.
  • Roses, gerbera, sunflowers, freesia, snapdragonsOften safer choices.
About this guide. Factual information compiled from UK and international veterinary organisations and international plant databases including the ASPCA (American Society for the Prevention of Cruelty to Animals). In an emergency, always contact a vet.

⚠ Important about lilies and cats

Lilies (genera Lilium and Hemerocallis) are extremely toxic to cats. Even small amounts of pollen, a chewed leaf or vase water can cause acute kidney failure. If you have a cat: avoid lilies entirely in the home. If you suspect exposure, contact a vet the same day.

For dogs, lilies are less dangerous, but many other common cut flowers (tulip, hyacinth, amaryllis) can cause vomiting, diarrhoea and drooling. Bulbs and roots are often more toxic than the petals themselves.

List of poisonous cut flowers

Ten common cut flowers and their risk for dog and cat. Risk levels are general: small amounts often cause mild symptoms, larger amounts can be serious.

Flower Cat Dog Common symptoms Comment
LilyLilium / Hemerocallis⛔ Extreme⚠ MediumVomiting, drooling, lethargy, acute kidney failure (cat)Includes pollen and vase water. Never have lilies if you have a cat.
Tulip⚠ Medium⚠ MediumDrooling, vomiting, diarrhoea, abdominal painThe bulb is most toxic. Petals usually cause milder symptoms.
DaffodilNarcissus⛔ High⛔ HighSevere vomiting, diarrhoea, cardiac arrhythmia, seizuresContains lycorine. Bulbs and leaves are most dangerous.
Hyacinth⚠ Medium⚠ MediumDrooling, vomiting, skin irritationSap can irritate mouth and skin. The bulb is most toxic.
Amaryllis⛔ High⛔ HighSevere vomiting, drooling, blood pressure drop, tremorsCommon at Christmas and New Year. Bulb and stem particularly toxic.
Carnation✓ Low✓ LowMild stomach upset, vomitingGenerally mild. Larger amounts may cause dermatitis.
Chrysanthemum⚠ Medium⚠ MediumVomiting, diarrhoea, drooling, skin irritationContains pyrethrins, the same compounds found in flea treatments.
Hydrangea⚠ Medium⚠ MediumVomiting, diarrhoea, lethargyContains cyanogenic glycosides. Larger amounts can be serious.
Iris⚠ Medium⚠ MediumDrooling, vomiting, abdominal pain, skin irritationRhizomes and sap are particularly irritating.
Gladiolus⚠ Medium⚠ MediumDrooling, vomiting, diarrhoea, lethargyThe corm is most toxic. The cut flower causes a milder reaction.
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Risk level for cat and dog — visual comparison

Bar length and colour reflect relative poisoning risk. Longer and darker = more dangerous. Cat on top, dog below per flower.

FlowerRiskLevel
Lily🐱
Extreme
🐶
Medium
Daffodil🐱
High
🐶
High
Amaryllis🐱
High
🐶
High
Tulip🐱
Medium
🐶
Medium
Hyacinth🐱
Medium
🐶
Medium
Chrysanthemum🐱
Medium
🐶
Medium
Hydrangea🐱
Medium
🐶
Medium
Iris🐱
Medium
🐶
Medium
Gladiolus🐱
Medium
🐶
Medium
Carnation🐱
Low
🐶
Low

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Golden retriever curiously sniffing a bouquet of red tulips indoors, tulips can cause stomach upset in dogs
Dogs are often curious about flowers in the home. Tulips can cause drooling, vomiting and abdominal pain even from small amounts.

Cut flowers that are often safer choices

No plants are completely risk-free, as even non-toxic flowers can cause stomach upset if a dog or cat eats a lot. These however are not associated with serious poisoning and usually work well in homes with pets.

Most popularRosesA classic bouquet. The thorns mean animals usually leave them alone.Order roses
OrchidsStylish and long-lasting. Very low toxicity.See orchids
GerberaColourful and often used in bouquets. Generally safe.See gerbera
SunflowersLarge and expressive. No known serious risks.Order sunflowers
SnapdragonsColourful seasonal flower. Often a calm choice.See snapdragons
FreesiaFragrant and slim. Often safe, avoid massive intake.See freesia
Cat next to a vase of red gerbera on a table, gerbera is often a safer choice in homes with pets
Gerbera is not associated with serious poisoning in dogs and cats and is a colourful choice for the home.

What to do if a dog or cat eats a flower?

  1. Remove the plant from the animal's mouth. Rinse the mouth with lukewarm water if you can do so without stress for the animal. Pick up any remaining plant material from the floor.
  2. Identify the flower. Save a piece of the plant or take a photo. Note the approximate amount and time. This information is valuable for the vet.
  3. Contact a vet immediately at any suspicion of poisoning. Call your usual vet or the nearest out-of-hours vet. The vet should always be the first choice in an emergency.
  4. Do not induce vomiting yourself. It can do more harm than good. Wait for the vet's instructions.
  5. Watch the animal carefully. Symptoms such as drooling, vomiting, lethargy, seizures or reduced urine output require an emergency vet visit, even if the animal seems lively at first.

When do symptoms appear? Timeline of poisoning

Symptom onset depends on flower, dose and animal. Never wait for 'clear symptoms' — contact a vet at the slightest suspicion.

0–3 hoursEarly signsDrooling, mouthing, oral irritation, mild vomiting. Most common with tulip, hyacinth, chrysanthemum.
3–12 hoursStronger symptomsRepeated vomiting, diarrhoea, lethargy. Lily: often first signs of nausea and grooming after pollen exposure.
12–48 hoursSerious complicationsDaffodil and amaryllis: cardiac arrhythmia, seizures. Contact a vet even if symptoms have 'settled'.
12–72 hoursKidney effects (lily, cat)Reduced urine output, persistent lethargy, dehydration. At this stage often life-threatening without care.

Frequently asked questions

Which cut flowers are most dangerous for cats?

Lilies (genera Lilium and Hemerocallis) are by far the most dangerous. Even small amounts of pollen, a chewed leaf or vase water can cause acute kidney failure in cats. Other particularly risky cut flowers are amaryllis, tulip and hyacinth.

Is the vase water dangerous if a cat drinks it?

Yes, if the vase contains lilies. Pollen and plant sap dissolve in the water and can be toxic. Place lilies out of reach and never let a cat drink from the vase. If you suspect exposure, contact a vet the same day.

My dog chewed on a tulip, should I be worried?

Tulips usually cause stomach upset in dogs (vomiting, drooling, diarrhoea). The bulbs are more toxic than the petals. Rinse the mouth, remove plant material, offer water and contact a vet if symptoms are severe or last more than a couple of hours.

Which cut flowers are often better choices if I have pets?

Roses, gerbera, sunflowers, snapdragons, freesia and most orchids are often better choices. No plant is completely risk-free, as even non-toxic flowers can cause stomach upset if eaten in large amounts, but these are not associated with serious poisoning.

How quickly do symptoms appear in poisoning?

It varies. Lily poisoning in cats causes drooling and vomiting within 1–3 hours. Kidney effects appear after 12–72 hours. Tulip and hyacinth often cause stomach upset within an hour. Don't wait for symptoms — contact a vet immediately at any suspicion.

Who do I call in an acute poisoning?

Call your vet or the out-of-hours vet first. You can also reach the Animal PoisonLine on 01202 509000 for guidance (paid service in the UK), but the vet should always be the first choice in an emergency with an animal.

Is lily pollen dangerous even if the cat hasn't eaten the flower?

Yes. Pollen that sticks to the fur and is licked off during grooming can cause poisoning. If the cat has yellow pollen on its fur, gently wipe it off with a damp cloth and call a vet for assessment.

Are amaryllis and poinsettia safe to have at home?

Amaryllis is toxic for both dogs and cats — place it out of reach. Poinsettia is milder than its reputation but can cause stomach upset; keep it inaccessible. Safer Christmas alternatives are freesia, snapdragons and rose bouquets.

What do I do if I'm unsure which flower the animal ate?

Save a piece of the plant or take a photo. Call a vet immediately and describe amount, time and any symptoms. Do not try to induce vomiting without veterinary instruction.

Is hydrangea dangerous for dogs and cats?

Hydrangea leaves and buds contain cyanogenic glycosides that can cause vomiting, diarrhoea and lethargy at larger intake. Smaller chewing usually causes mild stomach upset. Contact a vet if symptoms persist.

How do I best protect my cat from lilies?

The simplest solution is not to bring lilies into the home at all. Tell the florist when ordering a bouquet: 'no lilies'. Also ask for the bouquet without daylilies (Hemerocallis) and other Lilium relatives.

Is there a difference between true lilies and 'lilies' that aren't real lilies?

Yes. Many flowers are called 'lily' without belonging to the genus Lilium (e.g. lily-of-the-valley, calla, peace lily). They have their own risks but are not as nephrotoxic as true lilies. When in doubt, treat all 'lilies' as potentially poisonous.

Cat walking on a dining table next to a vase of red cut flowers in a bright Nordic home
Cats are particularly sensitive to lilies and certain other cut flowers. A bouquet on the table is often within reach, so place it high up or choose flowers with low risk.

Choose flowers with your pets in mind

Explore bouquets and cut flowers that often suit homes with a dog or cat better.

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Disclaimer. This guide is general information and does not replace veterinary advice. In suspected poisoning, a vet must always be contacted first.

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