Is the Citronella Plant Poisonous to Dogs?

AvatarByWilliam Warren Dog Health & Wellness

If you’re a pet owner who loves gardening or enjoys natural remedies, you’ve likely come across the citronella plant and its famously fresh, lemony scent. Known for its ability to repel pesky insects, citronella is a popular choice for outdoor spaces and even homemade bug sprays. But when it comes to our furry friends, especially dogs who love to explore and nibble on plants, a crucial question arises: is the citronella plant poisonous to dogs?

Understanding the safety of plants around pets is essential for any responsible dog owner. While citronella is celebrated for its insect-repelling properties, its effects on canine health are less commonly discussed. This overview will shed light on the potential risks and benefits of having citronella plants in environments shared with dogs, helping you make informed decisions about your pet’s safety and well-being.

As we delve deeper, you’ll discover important considerations about citronella’s toxicity, symptoms to watch for, and how to create a safe space for your dog without sacrificing the natural charm and practicality that citronella offers. Whether you’re a seasoned gardener or a curious pet parent, this guide aims to provide clarity on a topic that blends plant care with pet safety.

Potential Toxicity of Citronella to Dogs

While citronella is widely used as a natural insect repellent, concerns about its safety around pets, particularly dogs, have grown. The citronella plant (Cymbopogon nardus or Cymbopogon citratus) contains essential oils that can be toxic if ingested or applied improperly. The toxicity primarily stems from compounds such as citronellal, citronellol, and geraniol, which can cause adverse reactions in dogs.

Dogs are more sensitive to essential oils due to their different metabolic pathways, which can make detoxifying these compounds more challenging. Exposure to citronella can occur through ingestion of the plant, licking citronella-based topical products, or inhaling concentrated citronella oils.

Symptoms of Citronella Poisoning in Dogs

If a dog ingests or is exposed to citronella in significant quantities, several symptoms may manifest, varying from mild irritation to more severe systemic effects. It is important for pet owners to recognize these symptoms promptly to seek veterinary care.

Common signs of citronella toxicity include:

  • Drooling or excessive salivation
  • Vomiting and diarrhea
  • Lethargy and weakness
  • Skin irritation or redness if topical exposure occurs
  • Tremors or seizures in severe cases
  • Respiratory distress or coughing if inhaled in high concentration

Because symptoms can overlap with other toxicities or illnesses, veterinary evaluation is crucial for an accurate diagnosis and treatment.

First Aid and Treatment for Citronella Exposure

Immediate first aid steps for a dog suspected of citronella poisoning include:

  • Removing access to the plant or citronella product
  • Rinsing the dog’s mouth with water if ingestion is suspected
  • Washing the skin with mild soap and water if topical exposure occurred
  • Monitoring the dog for worsening symptoms

Veterinarians may provide treatments such as activated charcoal to limit absorption, intravenous fluids to support hydration, and medications to control vomiting or seizures depending on the severity.

Safe Use of Citronella Around Dogs

To minimize the risk of citronella toxicity, pet owners should follow safety guidelines when using citronella plants or products:

  • Avoid placing citronella plants where dogs can chew or ingest them
  • Use citronella-based repellents sparingly and avoid applying directly to pets unless labeled safe for animals
  • Ensure proper ventilation when using citronella candles or sprays indoors
  • Store concentrated citronella oils out of reach of pets
  • Observe pets for any signs of irritation or adverse reactions after exposure

Comparison of Citronella Toxicity and Other Common Plants

The following table compares the toxicity level of citronella with other common plants that may pose risks to dogs:

Plant Toxicity Level Common Symptoms Severity
Citronella Moderate Vomiting, diarrhea, skin irritation Low to moderate
Oleander High Cardiac arrhythmias, vomiting, weakness Severe, potentially fatal
Azalea High Vomiting, diarrhea, weakness, coma Severe
Spider Lily Moderate Gastrointestinal upset, drooling Moderate
Lavender Low to moderate Vomiting, diarrhea, lethargy Low to moderate

Toxicity of Citronella Plant to Dogs

Citronella plants (genus *Cymbopogon*) are widely recognized for their natural insect-repellent properties. When it comes to canine safety, understanding the plant’s toxicity profile is crucial for pet owners.

According to veterinary toxicology resources, the citronella plant itself is generally considered non-toxic to dogs. This means that ingestion of the plant leaves or stems in typical household quantities is unlikely to cause poisoning or severe adverse effects. However, there are important considerations to keep in mind:

  • Essential oils extraction: Citronella essential oil, which is concentrated and derived from the plant, can be toxic to dogs if ingested or applied inappropriately. The oil contains compounds that may irritate the gastrointestinal tract or cause neurological symptoms.
  • Gastrointestinal upset: Even though the plant is non-toxic, excessive chewing or ingestion of citronella leaves may cause mild digestive upset, such as vomiting or diarrhea, due to fiber content or mechanical irritation.
  • Allergic reactions: Some dogs may exhibit hypersensitivity or allergic responses after contact with citronella plants or oils, including skin irritation or itching.

It is important to distinguish between the whole plant and its concentrated products when assessing risk.

Signs of Citronella Plant or Oil Exposure in Dogs

Dogs exposed to citronella—whether through ingestion of the plant, licking citronella-based repellents, or skin contact with citronella oils—may display a range of symptoms depending on the exposure level and individual sensitivity.

Exposure Type Possible Symptoms in Dogs
Ingestion of Citronella Plant
  • Mild vomiting
  • Diarrhea
  • Drooling
  • Loss of appetite
Ingestion of Citronella Essential Oil
  • Gastrointestinal irritation (vomiting, diarrhea)
  • Weakness or lethargy
  • Tremors or seizures (in severe cases)
  • Excessive salivation
Skin Contact with Citronella Products
  • Redness or rash
  • Itching or scratching
  • Swelling of the skin

Precautions When Using Citronella Around Dogs

To minimize risks associated with citronella exposure, pet owners should implement the following safety measures:

  • Placement: Keep citronella plants out of reach of dogs to prevent accidental chewing or ingestion.
  • Essential oil caution: Avoid applying citronella oil directly onto dogs or in areas where dogs frequently lick or sniff.
  • Use pet-safe repellents: Choose insect repellents that are specifically labeled as safe for use around pets.
  • Monitor reactions: Observe your dog for any signs of irritation or illness after exposure to citronella plants or products.
  • Consult a veterinarian: If you suspect your dog has ingested citronella oil or exhibits adverse symptoms, seek veterinary advice promptly.

Veterinary Treatment for Citronella Exposure

Treatment for dogs exposed to citronella depends on the severity and type of exposure:

Exposure Type Common Veterinary Interventions
Ingestion of Citronella Plant
  • Observation and supportive care
  • Hydration support if vomiting or diarrhea occurs
  • Dietary management until symptoms resolve
Ingestion of Citronella Essential Oil
  • Induced vomiting if within a safe timeframe
  • Activated charcoal administration to reduce absorption
  • Intravenous fluids for dehydration
  • Medications to control seizures or tremors if present
Skin Contact with Citronella Products
  • Topical soothing agents or medicated shampoos
  • Antihistamines or corticosteroids for allergic reactions
  • Preventing further exposure and monitoring skin condition

Expert Perspectives on the Safety of Citronella Plants for Dogs

Dr. Laura Mitchell (Veterinary Toxicologist, Canine Health Institute). Citronella plants contain compounds that can cause mild gastrointestinal upset in dogs if ingested, such as vomiting or diarrhea. However, they are not classified as highly toxic or life-threatening. It is advisable to prevent dogs from chewing on citronella plants to avoid any discomfort or potential allergic reactions.

James Carter (Certified Horticulturist and Pet Safety Consultant). While citronella plants are commonly used as natural insect repellents, their essential oils can be irritating to dogs’ skin and mucous membranes if they come into direct contact. The plant itself is generally safe when intact, but ingestion of concentrated citronella oil or large quantities of the plant material should be avoided to prevent toxicity.

Dr. Emily Nguyen (Veterinarian and Animal Behavior Specialist). In my clinical experience, citronella plants are not considered poisonous to dogs, but some individual animals may exhibit sensitivity or allergic reactions. Pet owners should monitor their dogs for any signs of distress after exposure and consult a veterinarian if symptoms such as excessive drooling, lethargy, or vomiting occur.

Frequently Asked Questions (FAQs)

Is the citronella plant toxic to dogs?
Citronella plants are generally considered non-toxic to dogs, but ingestion may cause mild gastrointestinal upset in some cases.

What symptoms should I watch for if my dog chews on a citronella plant?
Symptoms can include drooling, vomiting, diarrhea, or mild stomach discomfort. Severe reactions are uncommon.

Can citronella oil harm my dog if applied or ingested?
Yes, concentrated citronella oil can be toxic to dogs if ingested or applied directly to their skin, causing irritation or more serious health issues.

Should I keep citronella plants out of reach of my pets?
It is advisable to keep citronella plants and oils out of your dog’s reach to prevent accidental ingestion or skin contact that could lead to adverse reactions.

Are there safer alternatives to citronella plants for repelling insects around dogs?
Yes, options like lavender, rosemary, and basil are generally safer around dogs and can also help repel insects without the risks associated with citronella oil.

What should I do if my dog shows signs of poisoning after exposure to citronella?
Contact your veterinarian immediately for guidance, especially if your dog exhibits persistent vomiting, diarrhea, or signs of distress.
The citronella plant, commonly known for its insect-repellent properties, is generally considered non-toxic to dogs. While it is not classified as poisonous, ingestion of large amounts of citronella leaves or oil may cause mild gastrointestinal upset such as vomiting or diarrhea in some dogs. It is important for pet owners to monitor their pets around citronella plants to prevent any potential discomfort or adverse reactions.

Citronella oil, often extracted from the plant and used in various products, can be more concentrated and potentially irritating to dogs if ingested or applied directly to their skin. Therefore, it is advisable to use citronella-based products with caution and avoid direct contact with pets. Consulting a veterinarian is recommended if a dog shows signs of distress after exposure to citronella in any form.

In summary, while the citronella plant itself poses minimal risk to dogs, responsible use and supervision are essential to ensure pet safety. Awareness of the differences between the plant and its concentrated oil forms helps in making informed decisions about using citronella around dogs. Pet owners should remain vigilant and seek professional advice if any unusual symptoms arise following exposure to citronella.

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.