Parsley Fern Toxic?

Updated 2026-03-06| 5 min read| 3,338 found this helpful

Parsley Fern is classified as non-toxic to cats, dogs, and horses per official ASPCA toxicology data

No harmful toxic chemical principles have been identified in this fern species

Accidental casual consumption of this plant is not expected to cause adverse health effects in assessed species

FAQ

Is Parsley Fern toxic to Humans?

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant. (Non-toxic)

Is Parsley Fern toxic to Cats?

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant. (Non-toxic)

Is Parsley Fern toxic to Dogs?

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant. (Non-toxic)

Is Parsley Fern toxic to Horses?

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant. (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant.

Cats

Non-toxic

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant.

Dogs

Non-toxic

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant.

Horses

Non-toxic

No expected adverse symptoms from accidental ingestion. Any unusual symptoms post-exposure are likely unrelated to this plant.

Toxicity Snapshot

Toxic PartsNo parts of this fern are considered toxic to humans, cats, dogs, or horses.

Exposure RouteOral ingestion is the most common exposure route; no toxic effects are expected from contact or consumption of this species.

Toxic CompoundsNo toxic chemical compounds have been identified in this plant per ASPCA data

First Aid & Prevention

First 30 Minutes

• Rinse any residual plant material from the exposed individual’s mouth to eliminate minor irritation risk
• Offer small amounts of fresh drinking water to flush remaining plant matter from the digestive tract
• Monitor for 1-2 hours for any unusual signs, which are unlikely to be caused by this plant

Contact Vet Immediately

• If the exposed individual develops persistent vomiting, diarrhea, lethargy, or other unusual symptoms post-exposure
• If the plant was consumed alongside unknown plants, chemicals, or other potentially toxic substances

Prevention

• While this plant is non-toxic, discourage excessive chewing of all houseplants by pets to avoid avoidable gastrointestinal upset
• Clearly label all household plants, and keep any confirmed toxic plant species out of reach of children and pets
• Cross-reference any new plant purchases against trusted toxic plant databases before bringing them into a pet-accessible space

Treatment & Prognosis

• No targeted treatment is required for isolated exposure to this non-toxic species
• Provide supportive care for any unrelated symptoms as directed by a licensed medical or veterinary professional

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Professional Toxicology

Scientific NameAsplenium bulbiferum

AliasesKing and Queen Fern、Spleenwort、Mother Fern、Hen and Chickens Fern

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No organs are at risk of damage from exposure to or consumption of this plant

Mechanism of Action

• No toxic mechanisms are recorded, as the species contains no identified harmful compounds for humans or assessed livestock/companion animals

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Small companion mammals (rabbits, guinea pigs, hamsters): No reported toxicity, excessive consumption may cause mild temporary gastrointestinal bloating or loose stools

Caged and aviary birds: No identified toxic risk from casual ingestion of small amounts of foliage

Ruminant livestock (cattle, sheep, goats): No confirmed toxicity recorded, large volume consumption is not recommended to avoid digestive discomfort

Confusion Risk

The following plants look similar and may be confused:

Garden Parsley Petroselinum crispum

Visually similar in finely divided, bright green leaf structure; key difference is Parsley Fern is an ornamental fern, while garden parsley is a culinary annual herb with edible foliage

Asparagus Fern Asparagus aethiopicus

Has comparable feathery, lush green foliage; key difference is Asparagus Fern produces small toxic red berries and woody stems, while Parsley Fern propagates via small bulbils on its fronds

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Related Toxic Plants

Bracken Fern

Pteridium aquilinum

Moderate to Severe Toxicity

Male Fern

Dryopteris filix-mas

Moderate Toxicity

Sensitive Fern

Onoclea sensibilis

Low to Moderate Toxicity

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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.