Dock — (c) Forest & Kim Starr, some rights reserved (CC BY)
Photo by (c) Forest & Kim Starr, some rights reserved (CC BY)iNaturalistCC BY
Pet safety reference

Dock

Rumex sp.

Dock is a genus of perennial herbs often found in fields and gardens that contains soluble calcium oxalates. Ingestion of any part of the plant can cause irritation to the mouth and digestive tract.

DockRumexRumex sp.Sorrel
Light
Full sun to partial shade
Habit
Herbaceous 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

Symptoms are generally mild to moderate due to mechanical irritation from oxalate crystals. Please contact your veterinarian if your cat has ingested this plant.

Dogsconcern notes

Common signs

Oral irritation, excessive drooling, vomiting, and difficulty swallowing or pawing at the mouth.

Escalation note

While usually not life-threatening, the irritation can be distressing. Consult a veterinarian if you suspect your dog has consumed significant amounts of the 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

Dock is listed as toxic to both cats and dogs due to the presence of soluble calcium oxalates.

NC State Extension Plant Toolbox: Rumex

botanical · 94% reliability

Open source

A genus of perennial herbs in the Polygonaceae family, commonly known as dock or sorrel.

cats safety pageMy cat ate Dockdogs safety pageMy dog ate Dock

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