Can Cats Eat Larkspur?

No — Larkspur is severely toxic to cats

Cats should not eat or be near Larkspur (Consolida ajacis). It contains diterpene alkaloids (methyllycaconitine, deltaline) which can cause muscle tremors, stiffness, weakness in cats.

What Happens if a Cat Eats Larkspur?

Symptoms typically appear within 30 minutes to 2 hours:

  • Muscle tremors
  • Stiffness
  • Weakness
  • Cardiac failure
  • Respiratory paralysis
  • Death

My Cat Ate Larkspur — What Should I Do?

Veterinary emergency. Larkspur causes neuromuscular blockade. Young plants and seeds are most toxic. Immediate vet care required.

This is a veterinary emergency for cats. Do not wait for symptoms. Call ASPCA Poison Control (888) 426-4435 or your emergency vet immediately.

Key Facts About Larkspur and Cats

No — severe toxicity

No — severe toxicity

all parts

Consolida ajacis

Cat-Safe Alternatives to Larkspur

If you love the look of Larkspur, consider these cat-safe alternatives:

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline, Merck Veterinary Manual. View full Larkspur profile.