Outdoor PestsMosquitoes

What Can I Spray on Grass to Keep Mosquitoes Away?

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Mosquitoes are more than just annoying pests – they can also transmit diseases. Therefore, keeping them away from your grassy outdoor areas is a top priority. In this article, we’ll explore various solutions, both commercial and natural, that you can spray on your grass to keep mosquitoes at bay.


There are several commercial sprays such as Vet’s Best Flea and Tick Yard and Kennel Spray, Wondercide Ready-to-Use Flea, Tick, and Mosquito Yard Spray, Adams Plus Yard Spray, and Cutter Backyard Bug Control Spray Concentrate that you can spray on your grass to keep mosquitoes away. Alternatively, you can opt for natural solutions like planting mosquito-repellent plants such as citronella grass, lavender, marigolds, catmint, basil, and mint or make homemade sprays using essential oils like lavender, lemon, and peppermint. Always apply these solutions evenly over your grass and reapply as directed, especially after heavy rain.

Commercial Sprays

Several commercial sprays are available on the market specifically designed to repel or kill mosquitoes. These sprays typically contain insecticides that either kill mosquitoes on contact or deter them from the area.

  1. Vet’s Best Flea and Tick Yard and Kennel Spray: This spray kills mosquitoes using certified natural oils and is safe for plants and pets. It comes with a ready-to-use hose attachment, making it easy to apply.
  2. Wondercide Ready-to-Use Flea, Tick, and Mosquito Yard Spray: Made with natural essential oils, this spray is safe for kids, pets, and plants. It’s also biodegradable, which makes it an environmentally friendly option.
  3. Adams Plus Yard Spray: This spray kills a wide range of pests, including mosquitoes, fleas, ticks, and ants. It’s effective for treating up to 5,000 square feet of outdoor space.
  4. Cutter Backyard Bug Control Spray Concentrate: This spray kills mosquitoes and other bugs on contact. It comes in a 32 fl oz bottle and treats up to 5,000 square feet.

These commercial sprays can be bought from various online retailers like Amazon, Home Depot, Lowe’s, or local gardening stores. Always remember to follow the instructions on the product label for proper application and safety precautions.

Natural Solutions

If you prefer a more natural approach, there are several solutions you can try.

Mosquito-Repellent Plants

Certain plants naturally repel mosquitoes with their scent. Planting these around your yard can help keep mosquitoes away:

  1. Citronella grass: The most commonly used natural ingredient in mosquito repellents.
  2. Lavender: Its fragrance hinders mosquitoes’ ability to smell.
  3. Marigolds: Emit a smell that deters mosquitoes.
  4. Catmint: Found to be ten times more effective than DEET in a study at Iowa State University.
  5. Basil: The pungent smell of basil leaves keeps pests at bay.
  6. Mint: Its strong aroma repels mosquitoes, flies, and ants.

Homemade Sprays

You can also make homemade mosquito repellent sprays using essential oils. Mix oils like lavender, lemon, and peppermint with water in a spray bottle and apply to your grass. However, these may need to be reapplied more frequently than commercial sprays.

Applying Mosquito Repellents

To apply mosquito repellents correctly, here are some steps to follow:

  1. Read the instructions on the product label and follow them carefully.
  2. Apply the repellent evenly over the grass and surrounding areas.
  3. For hard-to-reach areas, use a hose-end sprayer.
  4. Reapply as directed on the product label, especially after heavy rain.

Safety Considerations

While these sprays can be effective, it’s important to consider their safety for kids, pets, and other wildlife. Many commercial sprays are labeled as pet-safe, but always read the label carefully. Avoid products with toxic ingredients like glyphosate, organophosphates, and paraquat.

If you have children or pets, remove them from the area before applying the spray and keep them away until the sprayed area has dried completely. Always store pesticides securely where children and pets cannot access them.


There are numerous options available when it comes to what you can spray on grass to keep mosquitoes away. Depending on your preference, you can choose from commercial sprays, natural repellent plants, or homemade sprays. Regardless of the method you choose, always remember to apply them correctly and safely to protect not only yourself but also your loved ones and the environment.

Frequently Asked Questions

How often should I reapply commercial mosquito repellents?

The frequency of reapplication can vary depending on the specific product, but generally, it should be reapplied every 30-60 days. However, after heavy rain or irrigation, you may need to reapply sooner.

Are there any precautions I should take when using homemade mosquito repellents?

Yes, even though homemade mosquito repellents are typically made from natural ingredients, some people may still have allergic reactions to certain essential oils. It’s recommended to do a patch test on a small area of skin before widespread use. Also, these sprays should not be ingested or applied near the eyes or mouth.

Can I use these mosquito repellents on other areas, not just my grass?

Absolutely. These mosquito repellents can also be used on patios, decks, and other outdoor areas. Always follow the product instructions for best results.

Can I use these products indoors?

Most of these products are designed for outdoor use. However, some natural repellents, like essential oils, can be used indoors. Be sure to follow the product instructions and safety guidelines.

Will these sprays harm beneficial insects in my garden?

Yes, some commercial sprays can harm beneficial insects like bees and butterflies. If you’re concerned about harming beneficial insects, consider using natural solutions like mosquito-repellent plants or homemade sprays with essential oils.

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