Clustered-grape-hyacinth Toxic?

Updated 2026-03-06| 5 min read| 1,609 found this helpful

Muscari racemosum (L.) Mill.

No documented toxicity cases for this species exist in available scientific literature

Contains low saponin levels, so it is not recommended for use as pet or livestock feed

Can be easily misidentified as several related toxic or low-toxicity bulb species

FAQ

Is Clustered-grape-hyacinth toxic to Humans?

No reported poisoning symptoms; very large ingestion may cause mild gastrointestinal upset (Non-toxic)

Is Clustered-grape-hyacinth toxic to Cats?

No documented poisoning cases reported; large ingestion may trigger mild vomiting or diarrhea (Non-toxic)

Is Clustered-grape-hyacinth toxic to Dogs?

No documented poisoning cases reported; large ingestion may trigger mild vomiting or diarrhea (Non-toxic)

Is Clustered-grape-hyacinth toxic to Horses?

No documented poisoning cases reported; large ingestion may trigger mild digestive irritation (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No reported poisoning symptoms; very large ingestion may cause mild gastrointestinal upset

Cats

Non-toxic

No documented poisoning cases reported; large ingestion may trigger mild vomiting or diarrhea

Dogs

Non-toxic

No documented poisoning cases reported; large ingestion may trigger mild vomiting or diarrhea

Horses

Non-toxic

No documented poisoning cases reported; large ingestion may trigger mild digestive irritation

Toxicity Snapshot

Toxic PartsAll plant parts contain low levels of saponins; no parts are confirmed to be toxic in typical exposure scenarios

Exposure RouteIngestion is the only relevant exposure route; casual skin contact poses no known risk

Toxic CompoundsSaponins

First Aid & Prevention

First 30 Minutes

• Rinse mouth thoroughly with clean water if large quantities are ingested
• Remove any remaining plant material from access to prevent further consumption
• Monitor for signs of gastrointestinal upset for 2 to 4 hours post-ingestion

Contact Vet Immediately

• If pet/horse shows persistent vomiting, diarrhea or abdominal pain after ingestion
• If a very large quantity of the plant is consumed by a small animal or foal
• If you cannot confirm the ingested plant is this species rather than a toxic lookalike

Prevention

• Correctly identify all bulb plants in pet/livestock accessible areas before allowing grazing
• Label all ornamental bulb plantings to avoid confusion with edible or forage species
• Remove confirmed toxic lookalike plants from pet and livestock enclosures

Treatment & Prognosis

• Provide supportive care only, including access to fresh water and rest for mild symptoms
• Administer gastrointestinal protectants as directed by a veterinarian if irritation occurs
• No specific antidote is required, as no severe toxic effects have been documented

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Professional Toxicology

Scientific NameMuscari racemosum (L.) Mill.

AliasesCommon grape hyacinth、Muscari à grappe (French)、Gemeine Traubenhyazinthe (German)、Muscari atlantico (Italian)

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

Gastrointestinal tract (only at extremely high ingestion doses)

Mechanism of Action

• Saponins present in plant tissue may cause mild irritation to gastrointestinal mucosal membranes if consumed in very large quantities

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Livestock (cattle, sheep, goats): No documented toxicity, but not recommended as feed due to saponin content which may cause mild digestive upset if consumed in large quantities

Small companion mammals (rabbits, guinea pigs): No confirmed poisoning cases, but large ingestion may lead to soft stools or mild gastrointestinal irritation

Confusion Risk

The following plants look similar and may be confused:

Other grape hyacinth species Other Muscari spp.

Visually identical to closely related Muscari species that may have higher toxicity levels; distinguish by genetic testing or fine floral morphological details

Chives Allium schoenoprasum

Similar thin leaf structure; chives have a characteristic onion/garlic scent when crushed, while this Muscari species does not; chives are low toxicity to pets

Common bluebell Hyacinthoides non-scripta

Similar blue bell-shaped flowers; common bluebells are toxic, and have longer, more drooping flower clusters than clustered-grape-hyacinth

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Related Toxic Plants

Lily of the Valley

Convallaria majalis

Severe toxicity

Star of Bethlehem

Ornithogalum umbellatum

Moderate toxicity

Siberian squill

Scilla siberica

Low toxicity

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Data Sources

1. CliniTox (Universität Zürich)

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

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