Pink Pearl Begonia Toxic?

Updated 2026-03-06| 2 min read| 3,532 found this helpful

Pink Pearl Begonia is confirmed toxic to cats, dogs, and horses per ASPCA toxicology data

The primary active toxic compound in this cultivar is soluble calcium oxalates

Ingestion may cause salivation and tremors, with rare kidney failure occurring in dogs and cats

FAQ

Is Pink Pearl Begonia toxic to Humans?

No formal human toxicity data is documented, but ingestion typically causes mild oral irritation, salivation, and gastrointestinal upset, with no reported severe toxicity cases (Low)

Is Pink Pearl Begonia toxic to Cats?

Salivation, tremors, rare occurrence of kidney failure (Moderate)

Is Pink Pearl Begonia toxic to Dogs?

Salivation, tremors, rare occurrence of kidney failure (Moderate)

Is Pink Pearl Begonia toxic to Horses?

Salivation, tremors, elevated risk of kidney function impairment (Moderate)

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Toxicity Details

Humans

Low

No formal human toxicity data is documented, but ingestion typically causes mild oral irritation, salivation, and gastrointestinal upset, with no reported severe toxicity cases

Cats

Moderate

Salivation, tremors, rare occurrence of kidney failure

Dogs

Moderate

Salivation, tremors, rare occurrence of kidney failure

Horses

Moderate

Salivation, tremors, elevated risk of kidney function impairment

Toxicity Snapshot

Toxic PartsAll plant parts (foliage, stems, flowers, roots) contain toxic soluble calcium oxalates

Exposure RoutePrimary exposure route is ingestion; dermal contact may cause mild, temporary skin irritation in sensitive individuals

Toxic CompoundsSoluble calcium oxalates

First Aid & Prevention

First 30 Minutes

• Immediately remove any remaining plant material from the exposed animal's mouth and rinse the oral cavity with cool, clean water
• Do not induce vomiting unless explicitly instructed to do so by a licensed veterinarian or animal poison control specialist
• Monitor the animal closely for the onset of symptoms including salivation, tremors, or lethargy in the first hour post-exposure

Contact Vet Immediately

• If the animal has ingested more than a small bite of the plant, especially young/senior pets or those with pre-existing kidney conditions
• If any clinical symptoms including salivation, tremors, disorientation or reduced urination appear after exposure
• If you are unsure of the quantity of plant material ingested by the animal

Prevention

• Keep potted Pink Pearl Begonias out of the reach of cats, dogs, and other household pets
• Remove any wild or escaped Begonia semperflorens growth from pastures used for horse grazing
• Clearly label all toxic houseplants to avoid accidental exposure for pets and young children

Treatment & Prognosis

• Veterinarians may administer oral calcium binders to reduce absorption of soluble oxalates in the digestive tract
• Supportive IV fluid therapy may be provided to support kidney function and prevent crystal formation in renal tissue
• Symptomatic treatment may be prescribed to manage tremors, oral irritation and gastrointestinal distress as needed

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Professional Toxicology

Scientific NameBegonia semperflorens cultivar

AliasesWax Begonia 'Pink Pearl'

Toxicity Grade

HumansLow

CatsModerate

DogsModerate

HorsesModerate

Target Organs

KidneysOral mucosaGastrointestinal tractNeuromuscular system

Mechanism of Action

• Soluble calcium oxalates absorbed after ingestion bind to circulating calcium in the body, leading to hypocalcemia and formation of calcium oxalate crystals that accumulate in and damage kidney tissue, as well as triggering neuromuscular symptoms like tremors

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Rabbit: Toxic; ingestion may cause salivation, gastrointestinal distress, and elevated risk of urinary tract and kidney damage

Guinea Pig: Toxic; soluble oxalate content may trigger urinary crystal formation and systemic toxicity if consumed in sufficient quantity

Small Ruminants (Sheep, Goats): Toxic; grazing large amounts of the plant may lead to kidney function impairment and neurological symptoms including tremors

Confusion Risk

The following plants look similar and may be confused:

Busy Lizzie (Impatiens) Impatiens walleriana

Visually similar due to compact growth habit and bright showy flowers; key difference: Impatiens have translucent fleshy stems and are non-toxic to most pets, while Pink Pearl Begonia has waxy, opaque foliage and is toxic

Florist's Cyclamen Cyclamen persicum

Commonly sold as a potted flowering houseplant similar in size to potted Pink Pearl Begonias; key difference: Cyclamen has distinctive patterned heart-shaped leaves and contains toxic saponins rather than calcium oxalates

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Related Toxic Plants

Tuberous Begonia

Begonia × tuberhybrida

Moderate toxicity, contains soluble calcium oxalates that pose kidney damage risk to pets

Rex Begonia

Begonia rex-cultorum

Low to Moderate toxicity, ingestion causes oral irritation, salivation and gastrointestinal upset

Angel Wing Begonia

Begonia coccinea

Moderate toxicity, large ingestion may lead to kidney impairment in pets and livestock

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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.