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Scientifically Proven Ways to Get Rid of Fleas in Your Yard!

7.12.18

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In today’s post, we are sharing scientifically proven ways to get rid of fleas in your yard!

Questions about fleas are probably one of the most asked from readers. I’ve received a few thousand questions over the last few year about getting rid of fleas!

If you’ve had fleas on your pet, you can treat them directly, but it’s more important to treat the source of fleas which is outside in your yard. 

The best thing about these tips is they have science to back them up!

Scientifically Proven Ways To Get Rid of Fleas in Your Yard

Scientifically proven ways to get rid of fleas in your yard

Many people have asked Chemistry Cachet how they can get rid of fleas in the yard without harming pets? Most of the remedies for fleas are actually very safe for both pets and kids. You shouldn’t need any chemicals to combat a flea problem. These home remedies to get rid of fleas are proven to work and can be something you practice all year. And it works fast!

So, what is the fastest way to get rid of fleas in the yard?

First and most importantly, find out where they are…

1. Find out where they are 

Fleas won’t be just anywhere in your yard. They like warm, moist, and shady areas. Under trees, in flower beds, underneath porches, and other places like that. Knowing where the fleas are is the first step to trying all these tips!

2. Flood the yard

The easiest thing to try is flooding the areas you know fleas are. Why? Although fleas like moist areas, they can’t survive in water. You’ll notice in the spring when it rains a lot, fleas aren’t very likely to be an issue. If you aren’t in a rainy season, just use the rubber hose to flood and saturate the flea effected area. This is just simple science, but it works!

3. Keep your yard groomed 

This was a tip from an exterminator I heard years ago, but it makes sense. Since fleas love shady, moist areas, they can be attracted to a messy overgrown lawn. Tall grass, wood chips, piles of leaves, and old mulch are the perfect areas for them to nest. Keeping a clean yard eliminates areas for them to survive in. 

4. Sprinkle borax around

Here is where some science comes in! Borax is a salt (sodium tetraborate) and does a great job of deterring many insects. Not only because it is a salt, but also due to the boron atoms. You can read more about the science in this post. If you sprinkle borax around those areas fleas are, as well as the outside of your yard (like a fence or the area pets are), it will keep them away. This works best if you can get rid of the fleas first (like flooding the yard), then sprinkling this as a preventative treatment. It can kill the fleas like it does ants, but it can be hard to know where all the fleas are. But it works!

Borax is safe for animals by the way.

5. Use cedar to keep them away

Cedar is very effective at keeping fleas away. The scent alone will drive them out the yard! Cedar contains Monoterpenoids, Diterpenoids, and Phenolic acids (among other things) that keep away fleas. In fact, many flea sprays you purchase will contain cedar oil in it.

There are many ways to use cedar. You can buy cedar wood chips and put them all around your yard (some animal beds even contain cedar wood chips for this reason).

You can use a cedar wood oil to make a spray out of by diluting with some water. Then spray around your yard and those places fleas enjoy. Don’t buy anything expensive, I use this one! Mix 4 cups of water with about 4-5 teaspoons of oil.

6.  Nematodes

This is one of the best ways to keep insects out of yard, but especially fleas! These are worms that feed on certain insects like fleas. It is a totally natural option, and won’t harm other beneficial insects. You can purchase them locally, or you can buy them on Amazon!

7. Diatomaceous earth

One of my favorite options is diatomaceous earth. I always keep a bag of these around to dust the outside of my yard! Diatomaceous earth is made from fossilized remains of aquatic organisms called diatoms. It basically dehydrates and kills fleas, but also keeps them away when used as a barrier.  It is safe for animals and people, just be cautious of the dust (don’t breathe it in)!

I have used diatomaceous earth for keeping grasshoppers away too!

8. Lavender & Rosemary

These two plants are so great for all types of insects even fleas. We talk about it in the post on how to keep mosquitoes away. These plants (and their oils) emit odors that deter insects. The simple way to use lavender and rosemary is to keep them in pots around the yard. This way you can use move them if necessary. If you have the climate for it, you can also plant them in raised garden beds or flower beds. Using the essential oil is another option although it will need to be used more often. Create a spray like we mentioned above with the cedar wood oil and spray all around your yard.

9. Try a natural flea spray

You can buy ready made sprays. This one is natural, so it is safe for kids and pets. It is actually economical since it contains pure organic cedar wood oil ready to spray. This covers about 5,000 sq ft, so great for yards. I love using natural when possible so you don’t have to worry about it harming your pets, kids, or other bugs/animals.

There are many other ideas (or myths) out there about fleas, but these are all proven ways to get rid of fleas in your yard! Following these tips will allow you to get rid of fleas and keep them away too.

Don’t forget, you can always call your local extension agency to see what tips they recommend for fleas in your yard. They will have specific knowledge for your soil and climate.

home remedies for fleas in your yard

 


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Alexis

Alexis is an investigative chemist sharing her expertise in cleaning, skincare, gardening, and home hacks. She personally tests out products like the best skincare products or home products then shares not only the science behind how it works, but also her personal results. She is the mom of two living in Texas with her husband. Find her on Instagram for fantastic videos, tips, and behind the scenes.

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Filed Under: Insects, Lawn Tagged With: fleas, keep fleas out of yard, natural flea remedies

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Comments

  1. sheryl wells says

    July 12, 2018 at 9:24 am

    Thanks for those tips……Ruger is such a big boy. and he is a good boy too… he was a good houseguest while you wee recovering from surgery.

    Reply
    • Alexis says

      July 12, 2018 at 9:44 am

      He is a good boy! Very big too lol πŸ™‚

      Reply
  2. Emily says

    July 12, 2018 at 9:43 am

    I needed this! LOVE all these natural tips. Thank you!

    Reply
    • Alexis says

      July 12, 2018 at 9:45 am

      They are really great! And even better because they are safe πŸ™‚

      Reply
  3. Laurie S says

    July 12, 2018 at 3:09 pm

    I didn’t know a lot about fleas – just that they like to pester our pets. Thanks for the information of where they live/breed/ and DIE. I like the option of cedar chips – I love the scent of cedar. Woof to Ruger… don’t let them fleas bother that sweet boy!

    Reply
    • Alexis says

      July 12, 2018 at 9:47 pm

      Cedar chips are great! Oh yes, definitely can’t have fleas around for Ruger! πŸ™‚

      Reply
  4. Marta Sloane says

    July 14, 2018 at 1:40 am

    Whtat about indoors? I think I have no ma indoors .Fortunately it’s a small space.Please jelp+no lavender. Thank you!

    Reply
    • Alexis says

      July 16, 2018 at 10:25 am

      I don’t have any experience treating them indoors, but I do know that the cedar oil can be helpful inside!

      Reply
      • Marta Sloane says

        September 8, 2018 at 8:07 am

        Hello Alexis. Good to know cedar treatment Hope to try soon. Thanks!

        Reply
        • Alexis says

          September 8, 2018 at 9:43 am

          It is great!

          Reply
  5. Emily @ Martinis & Bikinis says

    July 16, 2018 at 6:59 pm

    Great tips to keep our pets protected! I want to try Borax. Thanks for sharing! Emily @ Martinis & Bikinis

    Reply
    • Alexis says

      July 17, 2018 at 9:40 am

      Borax is so great!!

      Reply
  6. kimberly says

    August 1, 2018 at 4:13 am

    how does the spray work since oil does not mix with water?

    Reply
    • Alexis says

      August 1, 2018 at 8:41 am

      It’s an essential oil, so it will
      Mix with water with just a few shakes πŸ™‚

      Reply
  7. mote says

    June 7, 2019 at 1:55 pm

    great info, will try these hacks.

    Reply
    • Alexis says

      June 8, 2019 at 7:49 am

      Thanks! Hope you like using them πŸ™‚

      Reply
  8. Franc says

    July 20, 2019 at 1:51 pm

    Borax kills grass, BUT it does kill the fleas as well. May want to warn those who are bound by their HOA to have any sort of brown in their grass.

    Reply
    • Alexis says

      July 20, 2019 at 2:17 pm

      I’ve never had powdered borax kill grass.

      Reply
  9. PDR says

    July 17, 2024 at 8:56 pm

    I read your article about using cedar for getting rid of fleas. We had a cat living in our shed that unfortunately died. When I went out to the shed a couple of days after the cat was gone, I noticed we had a flea problem. After reading your actual ibwent to the store and bought a couple of bails of cedar chips and spread a whole bail inside the shed and another outside. The flea problem is 10 times worse since I did that. The cedar had the exact opposite affect on rhe fleas. I have no idea where or who decided that cedar repels fleas but if anything it attracts them. I cannot go into the shed without having fleas all over my pants legs.

    Reply
    • Alexis says

      July 18, 2024 at 5:18 am

      It would be impossible for the Cedar itself to cause an increase in fleas. You can research all over the internet for that, it might just be that have increased already. I would contact your local extension agent to see what tips they might have for your climate and soil as this has a huge impact on all types of insects. I have this mentioned in the bottom of our post too as this is always a good idea for local information πŸ™‚

      Reply

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