Understanding Which Seeds Are Toxic to Dogs
Dogs are naturally curious animals and often explore the world with their mouths. Unfortunately, this can lead to unintended ingestion of substances that may be harmful or even deadly. Among the less obvious dangers are certain types of seeds from fruits and plants that can be toxic to your canine companion.
Why Are Some Seeds Dangerous to Dogs?
Many seeds contain natural chemical compounds that are safe—sometimes beneficial—for humans but pose significant risks to dogs. Some of these substances include:
- Cyanogenic glycosides — Found in seeds of apples, cherries, and peaches. These can release cyanide when digested.
- Persin — A fungicidal toxin present in avocado pits and skins.
- Saponins and alkaloids — Found in some legumes and ornamental plant seeds.
Common Seeds That Are Toxic to Dogs
Below is a list of seeds and pits that dog owners should be especially cautious about:
- Apple seeds — While an apple slice is a healthy snack, the seeds contain cyanide and should not be consumed.
- Cherry pits — In addition to being a choking hazard, these pits contain cyanogenic compounds.
- Peach and plum pits — Large and hard, they pose a dual threat of cyanide poisoning and intestinal blockages.
- Apricot pits — Known to contain dangerous levels of cyanide.
- Avocado pits — Contain persin, which can cause vomiting, diarrhea, and cardiovascular damage in dogs.
- Grapes and raisins — While tiny, they can cause kidney failure in dogs, though it's unclear which specific compound is responsible.
Less Known but Harmful Seeds
Some plants grown for ornamental purposes or found in the wild can also produce harmful seeds. These include:
- Castor beans — Contain ricin, one of the most toxic naturally occurring substances.
- Black walnut — Mold on these nuts can lead to tremors or seizures.
- Macadamia nuts — Can lead to vomiting, weakness, and hyperthermia.
Symptoms of Seed Toxicity in Dogs
If your dog has ingested a toxic seed, symptoms may vary depending on the type and quantity consumed. Watch for:
- Vomiting or diarrhea
- Lethargy or weakness
- Seizures or muscle tremors
- Difficulty breathing
- Abdominal pain
If your pet shows any of these signs, seek immediate veterinary assistance.
What To Do if Your Dog Eats a Toxic Seed
Act swiftly:
- Identify what was ingested and remove any remaining substance from the dog's reach.
- Contact your veterinarian or the Pet Poison Helpline.
- Do not induce vomiting unless directed by a professional.
Preventing Seed Exposure
Prevention is care. Here’s how to reduce the risk:
- Keep fruit with harmful pits and seeds out of reach.
- Remove seeds from any fruits you share with your dog.
- Avoid giving your dog access to garden areas with toxic plants.
- Educate family members and pet sitters about harmful foods.
By understanding which seeds are harmful and taking proactive steps, you can protect your dog from these hidden dangers.





