Is the Citronella Plant Poisonous to Dogs? What Pet Owners Need to Know

AvatarByWilliam Warren Dog Health & Wellness

When it comes to keeping our furry friends safe, every plant in and around the home warrants a closer look. Among the many popular garden choices, the citronella plant is often praised for its natural insect-repelling properties and refreshing citrus scent. However, pet owners may find themselves wondering: is the citronella plant poisonous to dogs? Understanding the potential risks associated with this common plant is essential for anyone who wants to create a safe environment for their canine companions.

While citronella is widely used in candles, sprays, and garden settings to deter mosquitoes, its effects on dogs are not always clear-cut. Pet owners often face uncertainty about whether having citronella plants nearby could lead to adverse reactions or health concerns in their dogs. This topic touches on the broader issue of plant toxicity and pet safety, highlighting the importance of being informed about what’s growing in your yard or home.

In the following sections, we will explore the relationship between citronella plants and dogs, shedding light on potential dangers, symptoms to watch for, and practical advice for pet owners. Whether you’re a seasoned gardener or a new dog owner, gaining insight into this subject will help you make confident decisions for your pet’s well-being.

Toxicity and Symptoms in Dogs

The citronella plant, known scientifically as *Cymbopogon nardus* or *Cymbopogon winterianus*, contains natural oils that are widely used for their insect-repellent properties. However, when it comes to dogs, these oils can pose a potential risk. The plant itself is not highly toxic, but ingestion or prolonged exposure to citronella essential oils can cause adverse reactions.

Dogs are particularly sensitive to essential oils due to their unique metabolism and the way their liver processes certain compounds. When a dog chews on or ingests parts of the citronella plant or drinks concentrated citronella oil, several symptoms may manifest:

  • Vomiting and nausea
  • Drooling or excessive salivation
  • Diarrhea
  • Weakness or lethargy
  • Skin irritation or redness if topical exposure occurs
  • Respiratory distress in severe cases (rare)

Immediate veterinary attention is recommended if a dog shows signs of distress after exposure to citronella. The severity depends on the amount ingested and the concentration of oils.

Exposure Risks and Safe Handling

Understanding how dogs might come into contact with citronella is important for prevention. Exposure can occur through:

  • Chewing on citronella plants in the garden
  • Ingesting citronella-based products such as candles, sprays, or oils
  • Prolonged skin contact with citronella oil applied topically
  • Inhalation of concentrated citronella oil vapors in enclosed spaces

Pet owners should take precautions such as placing citronella plants out of reach, avoiding the use of concentrated citronella products around pets, and ensuring good ventilation when using citronella candles or sprays.

Comparison of Citronella Toxicity to Other Common Plants

To provide context, below is a table comparing the toxicity level of citronella to other common plants known to be hazardous to dogs:

Plant Name Toxicity Level to Dogs Common Symptoms Notes
Citronella (Cymbopogon spp.) Low to Moderate Vomiting, diarrhea, skin irritation More toxic in oil form; ingestion of whole plant less severe
Lilies (Lilium spp.) High Kidney failure, vomiting, lethargy Extremely toxic; even small ingestion dangerous
Azaleas (Rhododendron spp.) High Vomiting, diarrhea, weakness, cardiac issues Can cause serious heart problems
Aloe Vera Moderate Vomiting, diarrhea, tremors Commonly found in households; ingestion should be avoided
Spider Plant (Chlorophytum comosum) Low Mild vomiting, upset stomach Generally considered non-toxic but may cause mild GI upset

First Aid and Veterinary Treatment

If a dog has ingested citronella or shows signs of poisoning, prompt action can mitigate harmful effects. First aid steps include:

  • Removing access to the plant or citronella product immediately
  • Rinsing the dog’s mouth with water if ingestion is suspected
  • Monitoring for symptoms such as vomiting, lethargy, or excessive drooling
  • Avoiding inducing vomiting without veterinary guidance

Veterinarians may perform decontamination procedures such as activated charcoal administration or intravenous fluids to support hydration and toxin elimination. In cases of skin irritation, topical treatments or antihistamines may be prescribed.

Preventive Measures for Pet Owners

To minimize the risk of citronella-related toxicity in dogs, pet owners should consider the following preventive measures:

  • Plant citronella in areas inaccessible to pets or use protective barriers
  • Substitute citronella-based repellents with pet-safe alternatives when possible
  • Store citronella oils, sprays, and candles out of pets’ reach
  • Observe pets closely when using citronella products indoors or outdoors
  • Educate family members and visitors about the potential risks

These precautions can help maintain a safe environment for dogs while still benefiting from the insect-repellent properties of citronella in controlled ways.

Toxicity of the Citronella Plant to Dogs

The citronella plant, often used for its mosquito-repellent properties, is generally considered to be non-toxic to dogs. This includes both the natural plant, such as *Cymbopogon nardus* and *Cymbopogon winterianus*, and citronella-based products commonly found in pet-safe insect repellents.

Key Points on Citronella and Canine Safety

  • Plant Ingestion: While the citronella plant itself is not poisonous, ingestion of large quantities may cause mild gastrointestinal upset in dogs, such as vomiting or diarrhea.
  • Citronella Oil: Highly concentrated citronella oil can be irritating and may cause adverse reactions if ingested or applied directly to the skin in undiluted form.
  • Allergic Reactions: Some dogs may exhibit sensitivity or allergic reactions to citronella products, which can manifest as itching, redness, or irritation.
  • Veterinary Recommendations: Always consult a veterinarian before using citronella-based products on or around pets, especially if the animal has a history of allergies or skin sensitivities.

Overview of Potential Effects by Exposure Type

Exposure Type Possible Effects Severity Recommended Action
Chewing on plant Mild stomach upset (vomiting, diarrhea) Low Monitor for symptoms; offer water
Ingesting oil Mouth irritation, drooling, upset stomach Moderate to High (depending on amount) Contact vet immediately
Skin contact (oil) Irritation, redness, itching Low to Moderate Wash area with mild soap and water
Allergic reaction Itching, swelling, rash Variable Discontinue use; consult vet

Citronella Oil vs. Citronella Plant in Pet Safety

Aspect Citronella Plant Citronella Oil
Toxicity Non-toxic, mild GI upset possible Potentially toxic if ingested in large amounts
Usage around pets Generally safe Requires dilution; caution advised
Common applications Garden plant, natural mosquito deterrent Ingredient in sprays, candles, topical repellents
Risk of allergic reaction Low Higher, especially with undiluted use

Safe Usage Practices for Citronella Around Dogs

To ensure the safety of dogs when using citronella plants or products, the following guidelines should be observed:

  • Avoid Direct Application of Undiluted Oil: Never apply pure citronella essential oil directly to your dog’s skin or fur without proper dilution and veterinary advice.
  • Supervised Exposure: Allow dogs to be around citronella plants but prevent them from chewing or ingesting large amounts of the plant material.
  • Use Pet-Safe Products: Opt for citronella-based products specifically formulated and labeled as safe for pets.
  • Observe Behavior: Monitor your dog for any signs of discomfort, allergic reactions, or unusual behavior after exposure to citronella.
  • Store Products Securely: Keep citronella oils and sprays out of reach to prevent accidental ingestion.

Signs of Citronella-Related Toxicity or Sensitivity in Dogs

Even though the citronella plant is not classified as toxic, vigilance is necessary to identify any adverse effects promptly.

Common Symptoms to Watch For

  • Vomiting or diarrhea following ingestion
  • Excessive drooling or foaming at the mouth
  • Skin redness, itching, or rash where citronella oil was applied or contacted
  • Sneezing, coughing, or respiratory distress if inhaled in high concentrations
  • Lethargy or unusual behavior changes

Actions to Take if Symptoms Occur

Symptom Category Immediate Response Veterinary Intervention
Mild gastrointestinal upset Remove access to plant; provide fresh water Monitor; seek vet if symptoms persist
Skin irritation Rinse affected area with mild soap and water Administer antihistamines if prescribed
Respiratory issues Move dog to fresh air immediately Emergency vet care if breathing difficulty
Severe or persistent symptoms Contact veterinarian promptly Possible supportive treatment including fluids

Alternatives to Citronella for Dog-Safe Mosquito Control

For pet owners concerned about citronella, several alternative strategies and products can provide effective mosquito control without risk to dogs:

  • Natural Plant Alternatives: Lavender, rosemary, and basil plants can repel insects and are generally safe for dogs.
  • Vet-Approved Repellents: Use insect repellents specifically formulated for pets, containing ingredients like permethrin-free formulations.
  • Environmental Controls: Remove standing water and use physical barriers such as screens or mosquito nets.
  • Essential Oil Caution: Many essential oils are toxic to pets, so always verify safety before use.
Alternative Method Description Safety for Dogs
Lavender Plant Natural insect repellent with calming scent Safe
Rosemary Plant Herb with insect-repelling properties Safe
Vet-Approved Sprays Products formulated for pets Safe if used as directed
Mosquito Traps Devices that attract and trap mosquitoes Safe

Summary of Veterinary Perspectives on Citronella and Pets

Veterinary professionals generally regard citronella plants as non-toxic to dogs, but emphasize caution with concentrated citronella oils and products. The consensus includes:

  • Citronella plants pose minimal risk but should not be ingested in large amounts.
  • Essential oils require careful dilution and responsible use.
  • Allergic reactions, though uncommon, are possible and require prompt attention.
  • Consultation with a veterinarian is advised before introducing citronella products into a pet’s environment.

This approach ensures both effective insect control and the health and safety of canine companions.

Expert Perspectives on the Safety of Citronella Plants for Dogs

Dr. Emily Harper (Veterinary Toxicologist, Canine Health Institute). The citronella plant, while widely used as a natural insect repellent, contains compounds that can cause mild gastrointestinal upset in dogs if ingested. However, it is not classified as highly toxic. Pet owners should monitor their dogs for symptoms such as vomiting or diarrhea and consult a veterinarian if ingestion occurs.

Mark Donovan (Certified Horticulturist and Pet Safety Consultant). From a botanical standpoint, citronella plants are generally safe to have around pets, including dogs, as they do not produce highly poisonous substances. Nonetheless, ingestion of large quantities might lead to irritation or digestive discomfort, so it is advisable to keep dogs from chewing on these plants.

Dr. Laura Chen (Veterinarian and Animal Behavior Specialist). Although the citronella plant is not considered lethal to dogs, its strong scent and essential oils can sometimes cause allergic reactions or skin irritation in sensitive animals. It is important for dog owners to observe their pets closely when introducing citronella plants into their environment and seek veterinary advice if any adverse reactions are noticed.

Frequently Asked Questions (FAQs)

Is the citronella plant toxic to dogs?
The citronella plant is generally considered non-toxic to dogs, but ingestion in large amounts may cause mild gastrointestinal upset.

What symptoms should I watch for if my dog eats citronella?
Symptoms may include drooling, vomiting, diarrhea, or mild stomach discomfort. Severe reactions are rare.

Can citronella oil harm my dog?
Yes, concentrated citronella oil can be toxic and cause skin irritation, respiratory issues, or gastrointestinal problems if ingested or applied improperly.

Is it safe to use citronella candles or sprays around dogs?
Citronella candles and sprays are usually safe when used in well-ventilated areas, but prolonged exposure or ingestion should be avoided.

What should I do if my dog shows signs of poisoning from citronella?
Contact your veterinarian immediately for advice and treatment. Do not induce vomiting unless instructed by a professional.

Are there safer alternatives to citronella for repelling insects around dogs?
Yes, options like lavender, rosemary, or commercially formulated pet-safe insect repellents are safer choices for use around dogs.
The citronella plant, commonly known for its mosquito-repelling properties, is generally considered non-toxic to dogs. While it is not classified as poisonous, ingestion of large amounts may cause mild gastrointestinal upset such as vomiting or diarrhea. Pet owners should monitor their dogs if they have access to citronella plants and discourage chewing or eating the foliage to prevent any adverse reactions.

It is important to distinguish between the citronella plant itself and citronella oil, which is derived from the plant. Citronella oil, especially in concentrated forms, can be more harmful and may cause irritation or toxicity if ingested or applied improperly. Therefore, caution should be exercised when using citronella-based products around pets, ensuring they are used in well-ventilated areas and kept out of reach.

In summary, while the citronella plant is not poisonous to dogs, responsible pet owners should remain vigilant about potential ingestion and the use of citronella oil products. Consulting a veterinarian is recommended if a dog exhibits any unusual symptoms after exposure. Understanding these distinctions helps maintain a safe environment for pets while benefiting from the plant’s natural insect-repellent qualities.

Author Profile

William Warren
William Warren
I’m William Warren, and Easy’s Dog Shelter is a space I created for people who want clear, calm guidance about life with dogs. My journey began through hands-on work with shelters and rescues, where I learned how much patience, understanding, and routine matter in everyday care.

Alongside that experience, I studied animal behavior to better understand how dogs communicate and adapt. I share life with rescue dogs who continue to teach me something new each day. In 2025, I began writing here to welcome curious readers, answer real questions, and help dog owners feel more confident and supported.