Is Common Milkweed Safe for Pets?
Asclepias syriaca
Find out if common milkweed is safe for dogs and cats.
Think your pet ate something toxic?
Call ASPCA Animal Poison Control Center: (888) 426-4435 or view emergency guide
Common Milkweed
Milkweed is an important native wildflower for monarch butterflies, but it is dangerous to dogs and cats. The plant contains cardenolides that affect the heart.
Pets that chew on milkweed leaves or stems can become seriously ill. If you grow milkweed for pollinators, place it in an area pets cannot reach.
Is Common Milkweed Safe for Dogs?
Contains cardenolides that can cause severe cardiac and neurologic effects.
Is Common Milkweed Safe for Cats?
All parts are toxic; ingestion is dangerous.
Symptoms to Watch For
- vomiting
- diarrhea
- depression
- weakness
- difficulty breathing
- seizures
What If My Pet Ate Common Milkweed?
Contact a veterinarian immediately if any part of the plant was eaten. Emergency care is often needed.
Safe Alternatives
Sources
Vet's Note
PetPilot provides general information for educational purposes. While we reference authoritative veterinary organizations, this page has not been individually reviewed by a veterinarian for your specific pet. Individual animals may react differently based on age, weight, breed, health conditions, and amount consumed. Always consult your veterinarian or a poison control center for personalized advice, especially if your pet is ill, injured, pregnant, nursing, or on medication.