Are Spider Plants Poisonous to Dogs?

The ASPCA classifies the spider plant (Chlorophytum comosum) as non-toxic to dogs (and to cats). There are no known toxic principles, so ingestion does not cause systemic poisoning. However, 'non-toxic' does not mean 'eat all you want.' Real-world caveats: (1) Eating large amounts of any plant material can trigger mild, self-limiting GI upset such as vomiting or diarrhea, simply from the volume of fibrous leaves. (2) The long, stringy leaves can pose a choking or mechanical-irritation risk, and rarely a GI obstruction in small dogs that gulp a lot. (3) Potting soil, drainage gravel, and especially any added fertilizer, systemic insecticide, or pesticide can be far more dangerous than the plant itself, so keep treated plants out of reach. (4) Spider plants are sometimes anecdotally described as mildly 'hallucinogenic' or attractive to cats; for dogs there is no documented psychoactive toxin, but compulsive chewing still warrants discouraging access. If a dog eats a small amount and stays bright and well, no treatment is needed; if vomiting or diarrhea persists beyond 24 hours, or the dog seems lethargic or off food, contact your veterinarian.

Are spider plants poisonous to dogs?

No. The ASPCA lists the spider plant (Chlorophytum comosum) as non-toxic to dogs. It contains no toxic principles and does not cause systemic poisoning if a dog nibbles it.

My dog ate a spider plant leaf. Should I worry?

A small nibble is not dangerous. The main risk is mild, temporary stomach upset (vomiting or diarrhea) if a large amount is eaten, plus a slight choking or irritation risk from the stringy leaves. Watch your dog for 24 hours; if vomiting or diarrhea persists or your dog becomes lethargic, call your vet. Also make sure no fertilizer or pesticide was on the plant.

Are spider plants safe for cats too?

Yes. The ASPCA also lists spider plants as non-toxic to cats. Note that cats are often especially drawn to chewing the dangling leaves, which can cause mild GI upset from overeating even though the plant itself is not poisonous.

• ASPCA Animal Poison Control - Spider Plant (Toxic and Non-Toxic Plants)

Last updated 2026-06-25