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Entry 403Filed under Breeding

Which Plants Are Poisonous to Dogs? Key Risks and What to Do

Sago palm, azalea, oleander, lily of the valley, and autumn crocus can pose serious risks to dogs. Learn how to check a plant and respond to possible ingestion.
3-minute read By Animalso Team
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Several common plants can seriously poison dogs, including sago palm, azalea, rhododendron, oleander, foxglove, lily of the valley, and autumn crocus. The danger depends on the exact plant, the part eaten, and the amount. If your dog may have chewed a plant, contact a veterinarian or animal poison-control service promptly rather than waiting for symptoms.

Plants that can be dangerous to dogs

This is an example list, not a complete inventory. Common names can refer to different plants, and toxicity varies by species and exposure. Check the exact plant in the ASPCA’s searchable toxic and non-toxic plant database or ask a veterinarian to help identify it.

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Plant What to know
Sago palm and other cycads The ASPCA describes cycads as very toxic. Dogs ingest them more often than cats, and accurate identification matters: not every palm is a sago palm. ASPCA plant database; ASPCA gardening safety guidance.
Azalea and rhododendron Both are flagged as toxic to dogs. Larger ingestions can cause severe effects. Cornell University College of Veterinary Medicine; ASPCA.
Oleander and foxglove These plants can substantially affect heart rhythm. ASPCA plant database; ASPCA gardening guidance.
Lily of the valley Reported dog effects include abnormal heart rhythms, a slower heart rate, and seizures. Do not confuse this plant with true lilies: the severe kidney-risk warning most often emphasized for true lilies concerns cats, not dogs. Cornell University College of Veterinary Medicine; Pet Poison Helpline.
Autumn crocus ASPCA warns that autumn crocus can be very dangerous, with severe gastrointestinal and systemic effects. Spring crocus is a different plant and is associated with gastrointestinal upset. Confirm which crocus you have. ASPCA gardening safety guidance; ASPCA gardening guidance.
Tulips and bulbs The bulb contains toxins, according to ASPCA veterinarian Tina Wismer, and can cause intense stomach upset and other effects. This does not mean every part carries identical risk. Associated Press, 2023.

What symptoms can a poisonous plant cause?

Signs depend on the plant and the amount eaten. They may begin with nausea, vomiting, diarrhea, drooling, or stomach irritation. More serious effects can include changes in heart rhythm, seizures, liver injury, blood abnormalities, or multi-organ failure.

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Dr. Tina Wismer, veterinarian and senior director of the ASPCA Animal Poison Control Center, told the Associated Press that “The most common outward signs of any toxicity in pets will be nausea, vomiting, diarrhea and drooling.” This statement concerns pets generally, not dogs alone. Associated Press, 2023.

What to do if your dog may have eaten a plant

  1. Contact a veterinarian or animal poison-control service promptly. Do not wait for severe symptoms to appear. The ASPCA lists its 24-hour Animal Poison Control Center at (888) 426-4435 for the United States; check with the service about availability and any fee. ASPCA.
  2. Identify the plant as accurately as possible. Use its full name if known, and clarify whether it is a bulb, leaf, flower, or another part. A photo or plant sample may help a professional identify it.
  3. Follow professional instructions. The cited sources support contacting veterinary professionals; they do not establish a home-treatment method for suspected plant poisoning.

Are plants labeled non-toxic always safe?

No. The ASPCA notes that eating any plant material can cause gastrointestinal upset, even when the plant is categorized as non-toxic. Its mild gastrointestinal category describes plants not expected to be life-threatening; it is not a promise that a dog will have no reaction. ASPCA plant database.

How common are plant-ingestion concerns?

The ASPCA Animal Poison Control Center received more than 31,500 calls in 2021 concerning pets that had ingested potentially toxic indoor and outdoor plants and flowers, according to an Associated Press report published in 2023. That figure is a call count—not a dog-only total or a measure of all poisonings. Associated Press, 2023.

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Magnetic List of Toxic Safe Plants Flowers for Pets - Dog Cat Chart - Plants Flowers Dogs Cats Should Not Eat - Chart Decorative Magnets - Pet Safety - Pet Adoption Essentials Gift 8.5 x 11 inches
  • Protect Your Pets – Prevent accidental poisoning with this plants and flowers safety magnetic list for pets. It features a clear, easy to read list of plants and flowers that can be harmful to dogs and cats if chewed or eaten. Helps to educate children and guests who like to garden and bring cut flowers into the house
  • Emergency Ready - Save valuable time during emergencies with 3 animal poison control hotline numbers listed right on the magnet. Keep this essential information accessible in your kitchen or dining area. In urgent situations, you'll have the resources to act quickly and confidently
  • Premium Quality - Proudly made and manufactured in the USA from high-grade vinyl and durable magnetic material that securely adheres to refrigerators or any magnetic surface. Magnet dimensions are 8.5 x 11 inches
  • Ideal for New Pet Owners – A must-have for pet parents, pet sitters, or families with kids. It eliminates the guesswork, ensuring you never accidentally expose your pet to harmful plants and flowers. Makes a thoughtful adoption gift for new pet parents
  • Bonus Emergency Contact List for Household Members - Each order includes a 5 x 7 inch Emergency Contact List, perfect for posting on your fridge or another visible spot. Ideal for babysitters, parents, grandparents, college students, or pet and house sitters

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