Parsley — (c) Vítor Jorge, some rights reserved (CC BY), uploaded by Vítor Jorge
Photo by (c) Vítor Jorge, some rights reserved (CC BY), uploaded by Vítor JorgeiNaturalistCC BY
dog safety reference

Is Parsley safe for dogs?

Petroselinum crispum

Parsley is a popular culinary herb that contains furanocoumarins and psoralens, which can cause photosensitivity in pets if ingested in large quantities. While commonly used in human cooking, it is considered toxic to both cats and dogs.

Curly ParsleyGarden ParsleyParsleyPetroselinum crispum
Light
Full sun to partial shade
Habit
Herbaceous biennial
Care
Moderate

Safety status

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.

What this means for your dog

Dogs that eat parsley don't get classic poisoning — they get a sunburn risk. The furanocoumarins in parsley turn skin photodynamic, so trouble only shows up after time outside on a sunny day. ASPCA notes large amounts are needed to cause this reaction, so a dog who tasted a sprig is unlikely to develop signs.

What to watch for

Mild GI upset (vomiting, soft stool) can occur after eating any plant material. The signature reaction is photosensitization on lightly pigmented or thinly furred areas — red, sunburn-like skin on the belly, ears, muzzle, and around the eyes, sometimes progressing to dermatitis. The reaction does not develop without UV exposure.

Time window

Photosensitization develops only after ingestion plus UV exposure; exact onset and duration are not well documented in ASPCA's listing. Mild GI upset, when present, typically resolves within 24 hours.

When to call the vet

Call your vet if your dog ate a large quantity, vomits repeatedly, refuses to eat, or develops red, irritated, or blistering skin after going outside. Sunburn-like lesions warrant a same-day appointment.

Sources: ASPCA (no first-aid guidance).

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.

Dogsconcern notes

Common signs

Photosensitivity, skin redness, and potential blistering when exposed to sunlight after ingestion.

Escalation note

While rarely fatal, ingestion can lead to significant skin issues; consult a veterinarian if you suspect your dog has consumed a large amount.

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

Cats & dogs pagecats pageMy dog ate Parsley

Same dog verdict

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