Delphinium

Delphinium spp.

Dogs: Severe Cats: Severe

Veterinary Emergency

EMERGENCY. Immediate vet care. Respiratory support may be needed. No specific antidote — supportive care only.

ASPCA Poison Control: (888) 426-4435 | Pet Poison Helpline: (855) 764-7661

Plant Information

Common Names

Larkspur, Staggerweed

Family

Ranunculaceae

Toxicity Details

Toxic Parts

all parts, especially young plants and seeds

Toxic Compound

Diterpene alkaloids (delphinine, methyllycaconitine)

Onset Time

1-6 hours

Severity

severe

Symptoms to Watch For

Muscle tremors
Stiffness
Weakness
Bloating
Cardiac failure
Respiratory paralysis

What to Do

EMERGENCY. Immediate vet care. Respiratory support may be needed. No specific antidote — supportive care only.

Do not wait for symptoms. Call your vet or poison control immediately.

About Delphinium

Delphinium (and its annual relative Larkspur) contain neuromuscular blocking alkaloids. Young plants and seeds are most toxic. A common cottage garden flower that is extremely dangerous to pets. Known to kill livestock.

Safe Alternatives

These plants provide a similar look but are non-toxic to pets:

✓ Snapdragon ✓ Sunflower ✓ Zinnia