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Fact-checked · Last verified 2026-05-22 📋 Sources: ASPCA, Pet Poison Helpline

Is Daffodils and Narcissus Toxic to Cats?

Yes — Toxic Severe

All parts of daffodils are toxic to cats, especially the bulbs which contain the highest concentration of lycorine, an alkaloid that causes severe vomiting, diarrhea, and potentially fatal heart arrhythmias. Even drinking water from a vase of cut daffodils can cause poisoning. If you suspect your cats has ingested daffodils and narcissus, contact your veterinarian or nearest emergency vet clinic immediately.

If Your Pet May Have Ingested Something Toxic

Contact your veterinarian or nearest emergency vet clinic immediately. Do not wait for symptoms to appear — early intervention significantly improves outcomes.

Toxic? Severity Time to Onset Commonness Urgency
Yes Severe 15 minutes to 6 hours Common (spring) Immediate

The Toxic Principle

The dangerous compound in Daffodils and Narcissus is Lycorine and other alkaloids (galantamine, narciclasine).

Daffodils (Narcissus species) contain toxic alkaloids throughout the plant, with the highest concentrations in the bulbs. Lycorine is the primary toxin — it inhibits protein synthesis and acts as a powerful emetic. The outer bulb scales contain calcium oxalate crystals that cause mechanical tissue damage. Narciclasine, found in bulbs, can cause neurological symptoms. The sap from cut stems can cause contact dermatitis. Even the water in which daffodils have been standing contains leached toxins.

How Much Is Dangerous?

The risk depends on your cats's weight and the amount ingested.

Pet Weight Dangerous Amount Expected Severity
Any size cat Biting or chewing on leaves or flowers Moderate
Any size cat Ingesting any part of the bulb Potentially Fatal
Any size cat Drinking vase water from cut daffodils Moderate
Any size cat Eating a whole bulb Potentially Fatal

Symptoms to Watch For

Symptoms of daffodils and narcissus poisoning in catss typically progress through these stages:

Early Signs

15 min - 4 hours
  • Severe vomiting
  • Diarrhea
  • Drooling
  • Abdominal pain
  • Tremors

Progressive

4-12 hours
  • Lethargy
  • Low blood pressure
  • Heart arrhythmias
  • Difficulty breathing
  • Dehydration

Severe

12-48 hours
  • Convulsions
  • Paralysis
  • Severe cardiac abnormalities
  • Respiratory failure
  • Death
Pet Emergency First Aid Guide

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Be Ready If This Happens to Your Cats

You just read what daffodils and narcissus does to catss. The symptoms. The suffering. The $300–$3,000 vet bill. The question is: are you prepared if it happens again?

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What to Do Right Now

  1. 1
    Call your veterinarian immediately — daffodil poisoning can escalate quickly.
  2. 2
    Remove any plant material from your cats mouth.
  3. 3
    Rinse your cats mouth with water.
  4. 4
    Call your vet immediately for guidance — do not attempt any treatment at home.
  5. 5
    Bring a sample of the plant to the vet for identification.
  6. 6
    Keep daffodils out of your home or in rooms your cat cannot access.

Treatment and Recovery

Treatment is supportive and symptomatic. IV fluids combat dehydration from severe vomiting and diarrhea. Anti-emetics (maropitant, ondansetron) control vomiting. Activated charcoal may be administered if ingestion was recent. Cardiac monitoring is essential — arrhythmias are treated with appropriate anti-arrhythmic medications. Blood work monitors organ function. Most cats recover with supportive care if treated early.

Estimated Cost

$300 – $3,000

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Frequently Asked Questions

Are daffodils more dangerous than tulips for cats?

Daffodils are generally considered more toxic than tulips, particularly the bulbs. While both are dangerous, daffodils contain lycorine which causes more severe vomiting and has a higher risk of cardiac effects.

Can daffodil vase water poison my cat?

Yes. Toxins leach from the stems into the water, and cats that drink from vases can be poisoned. Keep vases of daffodils out of reach and change water frequently.

What if my cat just brushed against daffodils?

Contact with the sap can cause skin irritation (contact dermatitis). Wash the area with mild soap and water. Ingestion is the main concern — if your cat did not chew or eat any part, serious poisoning is unlikely.

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Sources & Citations

Toxicity data is based on published veterinary toxicology references. In an emergency, contact your veterinarian or nearest emergency vet clinic immediately.

Medical Disclaimer: The information on this page is for educational purposes only and is not a substitute for professional veterinary advice. If you suspect your pet has been poisoned, contact your veterinarian or nearest emergency vet clinic immediately. This page was last reviewed on 2026-05-22.

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