Home PestsAnts

Does Lemongrass Kill Ants?

Ants 1

Lemongrass, scientifically known as Cymbopogon, is a multi-purpose plant, commonly utilized in the culinary world, traditional medicine, and even in the realm of insect control. But does lemongrass kill ants? The short answer is yes. The unique properties of lemongrass, particularly its essential oil, can help repel and even kill ants. This article delves into the details, providing you with comprehensive information on how lemongrass affects ants, backed by scientific evidence, and practical tips for using lemongrass as an ant repellent.


Yes, lemongrass can kill ants. The essential oil found in lemongrass contains citronella, a known insect repellent, which can disrupt ants’ pheromone trails and deter them. Additionally, the citral and citronella compounds found in the oil can effectively kill ants. However, its effectiveness may not be as long-lasting as chemical treatments.

Understanding Lemongrass

Lemongrass is a genus of plants in the grass family native to Asian, African, Australian, and tropical island regions. It’s used in various forms, from fresh stalks in cooking to essential oils in aromatherapy and as an insect repellent.

Lemongrass and Ants: The Connection

The efficacy of lemongrass in repelling and killing ants lies in its essential oil. Rich in citronella, a known insect repellent, lemongrass essential oil has a strong citrus scent that can disrupt ants’ pheromone trails, disorienting and deterring them. The oil’s citral and citronella compounds can stop ants, making lemongrass oil an effective ant repellent.

The Scientific Evidence

Research has shown the insecticidal properties of lemongrass essential oil. A study found lemongrass oil to be effective in repelling ants when applied to a candy, preventing the ants from approaching it. Another study showed that lemongrass oil has a strong repellent activity against sugar ants.

Using Lemongrass as an Ant Repellent

There are several ways to use lemongrass as an ant repellent in your home and garden:

  1. Lemongrass Essential Oil: Apply 5 drops of lemongrass essential oil on a cotton ball and place it in the affected area.
  2. DIY Ant-Repellent Spray: Mix 15 drops of lemongrass essential oil with other ingredients to create a homemade spray.
  3. Plant Lemongrass: Planting lemongrass in your garden can help deter ants and other insects.

The Benefits of Using Lemongrass as an Ant Killer

Lemongrass offers several benefits over other ant control methods. It’s natural and non-toxic, making it safe for use around children and pets. It’s also eco-friendly, and its pleasant aroma makes it more enjoyable to use compared to chemical insecticides.

Potential Downsides

While lemongrass is a natural solution to an ant problem, there are potential downsides to consider. Its effectiveness may not be as long-lasting as chemical treatments, and some people may experience skin irritation from the oil. Planting lemongrass in your garden may also cause it to spread if not properly contained.

Natural Alternatives to Lemongrass

If you’re looking for other natural ways to repel ants, consider using diatomaceous earth, essential oils like peppermint and tea tree, or even common kitchen items like vinegar, lemon juice, and cinnamon.

In conclusion, lemongrass can be an effective, natural way to deal with an ant problem in your home or garden. However, it’s important to consider all the factors, including potential downsides, before deciding if it’s the right solution for you.

Frequently Asked Questions

Can I use lemongrass oil directly on my skin to repel ants?

No, it’s not recommended to apply lemongrass essential oil directly to your skin as it may cause irritation. Always dilute essential oils with a carrier oil like coconut or almond oil before applying to the skin.

Is lemongrass harmful to pets?

While lemongrass is generally safe for pets, some animals may have a sensitivity to it. It’s always best to consult with your vet before using any new substance around your pets.

How often should I reapply the lemongrass oil to keep ants away?

The frequency of reapplication may depend on several factors, including the severity of the ant problem and the specific product you’re using. As a general rule, it’s advisable to reapply the oil once a week or whenever you notice the ants returning.

Can I use lemongrass oil to repel other insects?

Yes, lemongrass oil is known to repel a variety of insects, including mosquitoes, flies, and fleas, thanks to its citronella content.

Where can I buy lemongrass essential oil?

Lemongrass essential oil can be purchased online, in health food stores, or in stores that sell aromatherapy products. Always choose a high-quality, 100% pure essential oil for best results.

Leave a Comment

Your email address will not be published. Required fields are marked *