Fall Mushrooms & Plants That Are Toxic to Dogs – Safety Tips for Autumn 2025

🍄 Common Fall Mushrooms Toxic to Dogs

Amanita species – Extremely toxic; can cause liver failure.

Galerina species – Deadly if ingested.

False Morel (Gyromitra) – Can be fatal.

Jack-o’-lantern (Omphalotus) – Causes vomiting, diarrhea, and weakness.

Inky Cap (Coprinopsis atramentaria) – Digestive upset.

Tip: Never assume wild mushrooms are safe—even small amounts can be dangerous.

🍁 Fall Plants Toxic to Dogs

Autumn Crocus – Vomiting, diarrhea, liver and kidney damage.

Mistletoe – GI upset, low blood pressure, difficulty breathing.

Yew – Extremely toxic; can be fatal.

Poinsettia – Mild toxicity; irritation and vomiting.

Azalea & Rhododendron – Vomiting, diarrhea, heart issues.

Sago Palm – Highly toxic; even small ingestion can be fatal.

🐾 What To Do If Your Dog Comes in Contact or Eats These

Remove Access Immediately: Remove the dog from the area and prevent further ingestion.

Identify the Plant or Mushroom: Take a photo or note its characteristics.

Do Not Wait: Even small amounts can be dangerous.

Call Animal Poison Control:

ASPCA Poison Control: 888-426-4435

Pet Poison Helpline: 855-764-7661

Visit a Veterinarian: Bring the plant or mushroom if possible. Time is critical for toxic exposures.