Garden Croton Toxic?

Updated 2026-03-06| 4 min read| 3,915 found this helpful
Garden Croton
1

All parts of the plant are toxic, with the highest concentration of irritants found in its colorless sap

2

Contact or ingestion causes oral lesions, salivation, vomiting, and diarrhea in humans and most domestic animals

3

It is classified as moderately toxic due to its suspected phorbol ester content

FAQ

Is Garden Croton toxic to Humans?

Oral mucosa lesions/irritation, excessive salivation, vomiting, diarrhea, local skin rashes on sap contact (Moderate)

Is Garden Croton toxic to Cats?

Oral irritation, excessive drooling, vomiting, diarrhea, refusal to eat after exposure to the plant or its sap (Moderate)

Is Garden Croton toxic to Dogs?

Oral irritation, excessive drooling, vomiting, diarrhea, pawing at the mouth after contact or ingestion (Moderate)

Is Garden Croton toxic to Horses?

Oral irritation, excessive salivation, colic, diarrhea, reduced feed intake following ingestion (Moderate)

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Toxicity Details

Humans
Moderate

Oral mucosa lesions/irritation, excessive salivation, vomiting, diarrhea, local skin rashes on sap contact

Cats
Moderate

Oral irritation, excessive drooling, vomiting, diarrhea, refusal to eat after exposure to the plant or its sap

Dogs
Moderate

Oral irritation, excessive drooling, vomiting, diarrhea, pawing at the mouth after contact or ingestion

Horses
Moderate

Oral irritation, excessive salivation, colic, diarrhea, reduced feed intake following ingestion

Toxicity Snapshot

Toxic PartsEntire plant, particularly its colorless sap
Exposure RouteIngestion of any plant part, direct skin/mucous membrane contact with sap, accidental eye exposure to sap
Toxic CompoundsPhorbol esters (suspected)

First Aid & Prevention

First 30 Minutes

  • • For skin contact: Wash affected area with mild soap and cool running water for at least 10 minutes
  • • For ingestion: Rinse mouth thoroughly with clean cool water; do not induce vomiting unless directed by a medical professional
  • • For eye exposure: Flush eyes with lukewarm running water for 15 minutes, holding eyelids open
  • • Remove all remaining plant material from the affected person/animal and surrounding area to prevent further exposure

Contact Vet Immediately

  • • Persistent vomiting or diarrhea lasting more than 2 hours after exposure
  • • Visible oral lesions, difficulty swallowing, or excessive non-stop drooling
  • • Lethargy, loss of appetite, or unusual behavioral changes in pets after exposure
  • • Eye exposure that causes persistent redness, pain, or vision changes

Prevention

  • • Keep the plant out of reach of children, cats, dogs, and horses, especially during pruning when sap is released
  • • Wear disposable gloves when handling or pruning the plant to avoid sap contact with skin
  • • Wash hands thoroughly immediately after any contact with the plant, even if gloves were worn

Treatment & Prognosis

  • • Medical decontamination including activated charcoal administration for recent large ingestions, as directed by a healthcare provider/vet
  • • Symptomatic care including fluid therapy to treat dehydration from vomiting/diarrhea, and pain management for lesions
  • • Monitoring for secondary complications such as gastrointestinal ulceration in severe ingestion cases
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Professional Toxicology

Scientific NameCodiaeum variegatum (L.) A.Juss.; Croton variegatus L.
AliasesVariegated croton、Ornamental croton
Toxicity Grade
HumansModerate
CatsModerate
DogsModerate
HorsesModerate
Target Organs
Oral mucosaGastrointestinal tractSkinEyes
Mechanism of Action

• Suspected phorbol esters act as potent irritants, causing inflammation and damage to mucous membranes, skin, and gastrointestinal tissue on contact or ingestion

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Small mammals (rabbits, guinea pigs, hamsters): High risk of severe gastrointestinal irritation and dehydration after even small ingestions due to small body size
Pet birds: Moderate risk of oral and gastrointestinal irritation if any plant material is ingested
Confusion Risk

The following plants look similar and may be confused:

Other Codiaeum species Codiaeum spp.
All other Codiaeum species are closely related, visually similar, and also toxic, containing the same irritant compounds; no easily visible distinguishing features exist for untrained observers
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Data Sources

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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