Is Sweet Pea Toxic to Dogs?

Yes — Sweet Pea is mildly toxic to dogs

Sweet Pea seeds contain a neurotoxin that primarily causes problems with chronic consumption (lathyrism) rather than single exposure. The fragrant climbing flowers are a garden staple but seeds should be kept from pets.

Symptoms in Dogs

If your dog eats Sweet Pea, watch for these symptoms (onset: Variable (cumulative toxin)):

Weakness
Lethargy
Tremors
Seizures (chronic/large exposure)

What To Do

Single exposure rarely causes issues. Chronic seed consumption is the real risk (lathyrism). Remove plant access.

Dog-Safe Alternatives to Sweet Pea

✓ Snapdragon ✓ Pansy ✓ Petunia

Quick Facts

Scientific Name

Lathyrus odoratus

Also Toxic to Cats?

Yes (mild)

Toxic Compound

Aminopropionitrile (lathyrogen)

Toxic Parts

seeds, stems

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Sweet Pea toxicity profile.