Cats
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
cat safety reference
Is Dock safe for cats?
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
What this means for your cat
Cats almost never browse on dock — the leaves are bitter and unpleasant — so most exposures stay mild. ASPCA lists Rumex species as toxic via soluble calcium oxalates, which can in theory cause kidney damage, though this is rare in cats at the small quantities they typically ingest.
What to watch for
Most likely in cats: drooling and oral irritation. Less common but worth knowing about: tremors and (rarely) signs of kidney involvement such as vomiting, lethargy, or change in urination after a larger ingestion.
Time window
ASPCA does not document precise onset for cats; soluble oxalate signs in domestic animals typically begin within hours of a meaningful ingestion.
When to call the vet
Call your vet if drooling or vomiting persists past a few hours, if your cat seems weak or wobbly (possible tremors), or if you observe changes in urination, refusal to eat, or any signs of dehydration.
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.
Cats — concern 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.
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
Same cat verdict
Related plants for cats
Buttercup
Ranunculus spp.
Buttercups are flowering plants known for their bright, cup-shaped blooms, but they contain compounds that can cause irritation if ingested. They are generally considered toxic to household pets due to the presence of protoanemonin.
Potentially toxic for cats & dogs.
Cow Parsnip
Heracleum maximum
Cow parsnip is a large, herbaceous perennial member of the carrot family known for its tall stature and umbrella-like flower clusters. It contains furanocoumarins that can cause significant skin and mucosal irritation upon contact.
Potentially toxic for cats & dogs.
Peony
Paeonia officinalis
The peony is a popular garden perennial known for its large, showy blooms. While prized for its beauty, all parts of the plant contain paeonol, which can cause gastrointestinal distress if ingested by pets.
Potentially toxic for cats & dogs.
Ranger's Button
Sphenosciadium capitellatum
Ranger's Button is a perennial herb native to the western United States, known for its distinct, button-like flower clusters. It is considered toxic to pets if ingested and should be kept out of reach.
Potentially toxic for cats & dogs.