Jack-in-the-pulpit — (c) Alex Abair, some rights reserved (CC BY), uploaded by Alex Abair
Photo by (c) Alex Abair, some rights reserved (CC BY), uploaded by Alex AbairiNaturalistCC BY
Pet safety reference

Jack-in-the-pulpit

Arisaema triphyllum

Jack-in-the-pulpit is a woodland perennial known for its unique hooded spathe and spadix structure. It contains insoluble calcium oxalate crystals that cause irritation upon contact or ingestion.

Arisaema triphyllumIndian turnipJack-in-the-pulpit
Light
partial shade to full shade
Habit
clumping perennial
Care
low

Safety status

Cats & Dogs

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.

Catsconcern notes

Common signs

Oral irritation, intense burning and irritation of the mouth, tongue and lips, excessive drooling, vomiting, and difficulty swallowing.

Escalation note

The insoluble calcium oxalate crystals cause immediate mechanical irritation. If your cat has ingested this plant, contact your veterinarian immediately for guidance.

Dogsconcern notes

Common signs

Oral irritation, intense burning and irritation of the mouth, tongue and lips, excessive drooling, vomiting, and difficulty swallowing.

Escalation note

Ingestion typically results in immediate discomfort due to the needle-like crystals. Please consult your veterinarian if you suspect your dog has chewed or eaten any part of this plant.

Safer alternatives

No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.

Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

Jack-in-the-pulpit is toxic to both cats and dogs due to the presence of insoluble calcium oxalate crystals.

NC State Extension Plant Toolbox

botanical · 94% reliability

Open source

Arisaema triphyllum is a native woodland perennial that contains calcium oxalate crystals, which are toxic if ingested.

cats safety pageMy cat ate Jack-in-the-pulpitdogs safety pageMy dog ate Jack-in-the-pulpit

Same safety verdict

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