Is Milkweed Safe for Pets?
Asclepias spp.
Find out if 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
Milkweed
Milkweed is vital for monarch butterflies but problematic for pets. The plant contains cardenolides, compounds that affect the heart and nervous system. Native species vary in toxicity, so it is safest to limit pet access to milkweed patches.
Is Milkweed Safe for Dogs?
Contains cardenolides that can cause vomiting, weakness, seizures, and cardiac effects.
Is Milkweed Safe for Cats?
Contains cardenolides that can cause vomiting, weakness, seizures, and cardiac effects.
Symptoms to Watch For
- vomiting
- diarrhea
- drooling
- weakness
- difficulty breathing
- seizures
What If My Pet Ate Milkweed?
Contact your veterinarian, especially if large amounts were eaten or neurological signs develop.
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.