Water Hickory — (c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman
Photo by (c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas GoldmaniNaturalistCC BY-SA
cat safety reference

Is Water Hickory safe for cats?

Carya aquatica

Carya aquatica is a deciduous tree native to wetlands, known for its bitter, inedible nuts and compound leaves. It is considered non-toxic to household pets, though ingestion of large amounts of plant material may cause minor digestive discomfort.

Bitter PecanCarya aquaticaSwamp HickoryWater Hickory
Light
Full sun to partial shade
Habit
Tree
Care
Low

Safety status

Cats

Generally safe

Consulted references do not classify the plant as toxic for that pet type, while still allowing for mild GI upset if large amounts are chewed.

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

What this means for your cat

Cats are safe around water hickory — ASPCA lists Carya aquatica (bitter pecan) as non-toxic to cats, with no toxic principle identified. Cats rarely show interest in tough nuts and bark, so practical exposure is low; chewing leaves is harmless.

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.

Catsconcern notes

Common signs

None expected, though excessive ingestion of fibrous plant matter may lead to mild vomiting or diarrhea.

Escalation note

The plant is non-toxic. If your cat consumes a large quantity and shows signs of distress, contact your veterinarian for guidance.

Bring it home

Water Hickoryis generally pet-safe in ordinary household exposure. If you’d like one for your space, here’s a starting point.

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Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

Bitter Pecan is listed as non-toxic to cats and dogs.

Cats & dogs pagedogs page

Questions about Water Hickory

Is Water Hickory toxic to cats?

Water Hickory (Carya aquatica) is considered non-toxic to cats. It is classified as generally safe, meaning exposure is not expected to cause poisoning or serious harm.

What happens if my cat eats Water Hickory leaves or nuts?

No toxic effects are expected, but consuming a large amount of fibrous plant material may cause mild vomiting or diarrhea. Symptoms should be brief and self-limiting.

How much Water Hickory would my cat have to eat to get sick?

Water Hickory has no toxic compounds that would harm your cat, so illness from a small nibble is unlikely. Only a very large ingestion of fibrous leaves or bitter nut material would be expected to cause any digestive upset, and even then the effect would be mild.

My cat ate some Water Hickory — do I need to call my vet?

A small amount is not cause for alarm given the plant's non-toxic classification. If your cat consumed a large quantity and is vomiting repeatedly, has diarrhea, or seems lethargic, contact your veterinarian for guidance.

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