Small Fruited Hickory Toxic?

Updated 2026-03-06| 4 min read| 3,897 found this helpful

This species is classified as non-toxic to cats, dogs, and horses per plant toxicology databases

No documented adverse toxic effects occur from accidental ingestion of small quantities of this plant

Consult a medical/veterinary professional if unusual symptoms appear post-exposure to rule out contaminants

FAQ

Is Small Fruited Hickory toxic to Humans?

No expected toxic symptoms; rare mild gastrointestinal upset may occur in sensitive individuals after ingesting very large quantities (Non-toxic)

Is Small Fruited Hickory toxic to Cats?

No documented toxic symptoms; mild, transient digestive discomfort is possible if extremely large amounts are consumed (Non-toxic)

Is Small Fruited Hickory toxic to Dogs?

No documented toxic symptoms; mild, transient digestive discomfort is possible if extremely large amounts are consumed (Non-toxic)

Is Small Fruited Hickory toxic to Horses?

No documented toxic symptoms; mild, transient digestive discomfort is possible if extremely large amounts are consumed (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No expected toxic symptoms; rare mild gastrointestinal upset may occur in sensitive individuals after ingesting very large quantities

Cats

Non-toxic

No documented toxic symptoms; mild, transient digestive discomfort is possible if extremely large amounts are consumed

Dogs

Non-toxic

No documented toxic symptoms; mild, transient digestive discomfort is possible if extremely large amounts are consumed

Horses

Non-toxic

No documented toxic symptoms; mild, transient digestive discomfort is possible if extremely large amounts are consumed

Toxicity Snapshot

Toxic PartsNo parts of this plant are confirmed to contain toxic compounds for humans or common companion animals

Exposure RouteOral ingestion is the only potential exposure route; no dermal or inhalation toxicity is recorded

Toxic CompoundsTannins; Unsaturated fatty acids; Dietary fiber

First Aid & Prevention

First 30 Minutes

• Monitor for unusual digestive symptoms if large quantities of the plant were ingested
• Remove any remaining plant material from the exposed individual's mouth or immediate access
• Offer small sips of fresh water to reduce risk of mild gastrointestinal irritation

Contact Vet Immediately

• Persistent vomiting, diarrhea, or lethargy occurs within 24 hours of ingestion
• Ingested quantity is extremely large, or the exposed individual has pre-existing chronic digestive conditions

Prevention

• Store large quantities of harvested hickory nuts away from unsupervised access by young children or pets
• Confirm plant identity before allowing pets to forage freely in wooded areas where hickory species grow

Treatment & Prognosis

• Supportive care for any mild digestive symptoms if they occur
• No specific antidote is required, as no toxic effects are expected from exposure

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Professional Toxicology

Scientific NameCarya glabra

AliasesPignut Hickory、Sweet Pignut Hickory

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No organs are targeted by toxic compounds from this plant species

Mechanism of Action

• No toxic mechanism recorded, as the species does not produce metabolites harmful to common mammals

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle: No documented toxic effects reported for cattle grazing on Carya glabra foliage or nuts

Sheep: No confirmed toxicity associated with ingestion of this plant species

Poultry: Small quantities of nut meat are safe; very high intake may cause mild digestive upset

Confusion Risk

The following plants look similar and may be confused:

Mockernut Hickory Carya tomentosa

Visually similar in leaf and bark structure; key difference is Carya tomentosa has densely fuzzy leaf undersides, while Carya glabra has smooth, hairless leaf undersides

Shagbark Hickory Carya ovata

Similar nut and leaf shape; key difference is shagbark hickory has distinctive peeling, shaggy bark, while Carya glabra has tight, non-peeling gray bark

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Related Toxic Plants

Black Walnut

Juglans nigra

Moderate toxicity, especially dangerous for horses and dogs

Butternut

Juglans cinerea

Low to Moderate toxicity, may cause digestive upset in companion animals

Persian Walnut

Juglans regia

Low toxicity, moldy nuts present higher risk to pets

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Data Sources

1. ASPCA Animal Poison Control

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.