- Proper Yard Maintenance<\/a><\/li>
- Beneficial Nematodes<\/a><\/li>
- Diatomaceous Earth<\/a><\/li>
- Cedar Wood Chips<\/a><\/li>
- Natural Homemade Flea Killers<\/a><\/li>
- Natural Commercial Insecticides<\/a><\/li>
- FAQ<\/a><\/li><\/ul> \t\t\t<\/div> \t\t<\/div><\/div>
Proper Yard Maintenance<\/h2>
![\"Man](\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/01\/Mowing-a-lawn.jpg\")
Photo Credit: Mikhailov Studio<\/a> \/ Adobe Stock Free \/ License<\/a><\/figcaption><\/figure> Keeping a clean yard<\/strong><\/a> with little to no organic debris, good airflow and sun exposure helps you get rid of fleas faster and also prevents future infestations.<\/strong><\/p>
Fleas are attracted to your yard by tall grass and overgrown shrubs, piles of leaves and wood, thick mulch layers, and standing water. These spots create moist, shaded areas for flea-infested animals to make a nest and for the flea population to thrive.<\/p>
To reduce flea larvae survival and keep fleas away from your yard:<\/p>
- Mow the lawn regularly<\/a><\/li>
- Trim the shrubs<\/a> to expose the soil underneath to sunlight<\/li>
- Rake thick thatch<\/a>, fallen leaves<\/a>, and twigs<\/li>
- Avoid storing outdoor furniture on the lawn<\/li>
- Trim the vegetation around the house foundation, porch, deck, or patio, or replace grass and regular plants with flea-repellent species<\/li>
- Remove any dead vegetation below decks and porches<\/li> <\/ul>
Beneficial Nematodes<\/h2>
![\"Nematodes\"](\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2021\/01\/Group_of_Nematodes.jpg\")
Photo Credit: CSIRO<\/a> \/ Wikimedia Commons \/ CC BY 3.0<\/a><\/figcaption><\/figure> Nematodes are microscopic worms sold in a liquid solution (package or container) that kill fleas in under 48 hours.<\/strong><\/p>
Beneficial nematodes are natural flea predators that enter flea bodies and release a deadly bacteria that kills the insects within 24 to 48 hours<\/a>. They kill flea larvae and pupae and stop the flea life cycle before it leads to adult fleas and more eggs.<\/p>
How effective is the nematodes\u2019 flea-killing method? Studies show that by applying nematodes to the soil outdoors, you can stop 70% to 100% of the fleas from turning into adults<\/a>. It\u2019s the best natural flea treatment to control severe flea infestations and prevent a light flea problem from getting worse.<\/p>
How to use nematodes<\/strong><\/a> to kill yard fleas: <\/strong><\/p>
- Mix the nematode solution with water and put it in a spray bottle.<\/li>
- Soak the flea-infested area.<\/li>
- Lightly water the treated spots for a few days to keep the soil moist and the nematodes from drying. <\/li> <\/ul>
Safety:<\/strong> Spraying nematodes is the safest natural method for killing cat fleas. It does not require protective gear.<\/p>
Diatomaceous Earth<\/h2>
![\"Diatomaceous](\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2022\/10\/800px-Diatomaceous_Earth.jpg\")
Photo Credit: <\/a>SprocketRocket<\/a> \/ Wikimedia Commons \/ CC0 1.0<\/a><\/figcaption><\/figure> Diatomaceous earth is a natural powdery substance that clings to fleas and kills them by desiccation.<\/strong><\/p>
Diatomaceous earth<\/a> is mostly made of silica, an element common in soil and plants that doesn\u2019t harm the environment. The food-grade powder is used as a natural pesticide and in thousands of other non-pesticide products, such as food, beverages, cosmetics, and paints.<\/p>
How to use diatomaceous earth in the yard: <\/strong><\/p>
- Sprinkle diatomaceous earth on the soil in a thin layer. <\/li>
- Only use when the soil and vegetation are dry.<\/li>
- Apply when rain is not expected in the next 24 to 48 hours. Moist diatomaceous earth has no effect on fleas.<\/li>
- Reapply after rain or heavy morning dew.<\/li> <\/ul>
Safety:<\/strong> Diatomaceous earth is a fine dust that can irritate the eyes, nose, and skin. Wear goggles, a face mask, and long sleeves when applying it. Keep kids and pets away until the dust settles. Avoid spreading it directly on your pet\u2019s skin; it can cause irritation.<\/p>
Cedar Wood Chips<\/h2>
![\"Cedar](\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/01\/Cedar-chips.jpeg\")
Photo Credit: thecolorpixels<\/a> \/ Adobe Stock Free \/ License<\/a><\/figcaption><\/figure> Cedar chips contain cedar oil, an essential oil with insect-repellent properties used as an active ingredient in natural flea treatments.<\/strong> <\/p>
Cedar chips, mulch, sawdust, and granules are obtained from cedar trees. They are 100% natural and safe to use in the yard and around humans and pets. <\/p>
Cedar has a woody, slightly spicy smell that irritates fleas, ticks, mosquitoes, and other insects. The chips don\u2019t kill fleas but provide a natural way to make the yard less attractive for these parasites. Spread them under shrubs and porches and in shady areas where your pet rests. <\/p>
When buying cedar chips, choose fresh material with a pungent smell. Avoid the \u201cde-oiled\u201d products (check the label); they lack the essential oil needed to repel fleas. <\/p>
How to use cedar chips: <\/strong><\/p>
- Sprinkle cedar chips or granules<\/a> over the area you want to keep free of fleas. <\/li>
- Reapply every 4 to 6 weeks.<\/li> <\/ul>
Safety:<\/strong> Safe for humans and pets. No protective gear is required.<\/p>
My tip:<\/em><\/strong> You can also fill a few sachets with cedar granules and put them in your pet’s bedding to repel fleas.<\/em><\/p>
Homemade Flea Killers and Repellents<\/h2>
![\"A](\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/04\/essential-oil-g1248b0f13_1280-1.jpg\")
Photo Credit: Pixabay<\/a><\/figcaption><\/figure> You can prepare a homemade flea insecticide with essential oils, water, and a bit of soap.<\/strong><\/p>
Studies<\/a> show that essential oils (such as peppermint, clove, citronella, or neem) can kill fleas at concentrations of 0.5% to 4%. To keep it simple, use a 1% concentration \u2014 one part essential oil to 100 parts water (e.g., 10 ml of essential oil to 1 liter of water). Add a few drops of dish soap or 1-2 tbsp. of apple cider vinegar to help the oil mix.<\/p>
You can also grow peppermint, lavender, lemongrass, rosemary, citronella grass, Chrysanthemums, or pennyroyal around the house. Their aromatic oils make these plants unpleasant for fleas<\/a> and your yard less attractive. <\/p>
My tip:<\/em><\/strong> <\/strong>Neem oil has a strong, unpleasant odor; use gloves during application to prevent the smell from lingering on your skin.<\/em><\/p>
Should you use baking soda and salt for natural flea control? Although baking soda and salt are said to dry out fleas, there is no scientific evidence to support this. If you want to spread this mix outdoors, avoid applying it to planted areas\u2014both powders are natural herbicides<\/a> that dry out plants.<\/p>
Commercial Natural Flea Insecticides<\/h2>
![\"Mighty](\"https:\/\/m.media-amazon.com\/images\/I\/41rZnDATgRL._SL500_.jpg\" "\\"Mighty")
<\/a>
<\/figure>Natural flea insecticides for fleas and ticks are often available as ready-to-use products. For outdoor use, this means you connect the container to the garden hose and spread the solution. <\/strong><\/p>
Natural Insecticides with Citrus Extracts<\/h3>
Some products, like Orange Guard use d-limonene and linalool, two citrus extracts obtained from citrus peels. Experts at the University of Florida say that natural insecticides with d-limonene kill larval and adult fleas, while those containing d-limonene and linalool<\/a> kill all flea stages. <\/p>
Natural Insecticides with Essential Oils<\/h3>
Other brands, like Mighty Mint<\/a> and Wondercide<\/a> yard products, use essential oils such as peppermint, rosemary, citronella, lavender, eucalyptus, clove, pennyroyal, neem, and cedar oil. Studies<\/a> show that these oils can successfully kill fleas, even at low concentrations.<\/p>
How to use natural flea sprays:<\/strong><\/p>
- Follow the label instructions.<\/li>
- Use protective gear when spraying (goggles, face mask, gloves, long sleeves).<\/li>
- Spray to saturate pet trails, hiding spots, and other infested areas until visibly wet. <\/li>
- Reapply once every 2-3 days until you no longer detect a flea presence (unless stated otherwise on the product label)<\/li> <\/ul>
Safety:<\/strong> Some essential oils are toxic to dogs and cats and can cause allergic reactions in humans. Keep the pets and children away while you spray the yard.<\/p>
FAQ<\/h2>
How do you know you have fleas in the yard<\/a>?<\/strong>You should suspect you have fleas in the yard when:
Will Dawn dish soap kill fleas in your yard?<\/strong>Dawn dish soap can kill fleas when used to wash flea-infested dogs. It prevents them from floating in the water, which causes them to drown faster. However, it is not as effective in the yard.<\/p> <\/div>
How long does it take for natural flea control to work?<\/strong>How long it takes for natural flea control to work depends on the type of treatment. For example, diatomaceous earth kills exposed fleas in a few hours to a day, while beneficial nematodes in 24 to 48 hours after the application. Getting rid of a flea infestation takes repeated applications and 4 to 6 weeks.<\/p> <\/div>
Are natural flea control methods as effective as chemical treatments?<\/strong>Natural flea control methods are as effective as chemical treatment at killing fleas. However, they have a shorter residual effect and they require more applications than chemical insecticides to control an entire flea infestation.<\/p> <\/div>
Are natural flea treatments safe for children and pets?<\/strong>Beneficial nematodes and cedar chips are safe for children and pets. However, diatomaceous earth and essential oils require precaution:
Protect Your Yard and Your Pets!<\/h2>
The sooner you act, the easier it is to banish the bloodsucking pests. Find a pest control professional<\/a> with LawnStarter and clear your yard of fleas today! <\/p>
LawnStarter pros are also here to help you prevent flea reinfestations. Lawn mowing<\/a>, yard cleaning<\/a>, bush trimming<\/a>, and removing fallen leaves<\/a> are only a few of the services they can provide to keep your lawn lush, green, and flea-free!<\/p>
\t\t\t\t\t\tSources<\/p> \t\t\t
<\/span><\/div> \t\t<\/div> \t\t\t- Dunn-Silver, A. (n.d.). Insect-killing nematodes. https:\/\/cals.cornell.edu\/new-york-state-integrated-pest-management\/eco-resilience\/biocontrol\/biocontrol-biology\/insect-killing-nematodes<\/li>
- Samish, M., Rot, A., Gindin, G., Ment, D., Behar, A., Glazer, I., (2020)<\/li>
- Biocontrol of the cat flea, Ctenocephalides felis, by entomopathogenic nematodes and fungi. Biological Control, Volume 149, pages 104 – 301, ISSN 1049-9644,<\/li>
- https:\/\/doi.org\/10.1016\/j.biocontrol.2020.104301.<\/li>
- Tadee, P., Chansakaow, S., Tipduangta, P., Tadee, P., Khaodang, P., Chukiatsiri, K. (2023, December 18). Essential oil pharmaceuticals for killing ectoparasites on dogs. J Vet Sci. 25(1):e5. doi: 10.4142\/jvs.23189<\/a>https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10839170\/<\/li> <\/ul> <\/div> \t\t<\/div> <\/div>
- Reapply every 4 to 6 weeks.<\/li> <\/ul>
- Sprinkle cedar chips or granules<\/a> over the area you want to keep free of fleas. <\/li>
- Trim the shrubs<\/a> to expose the soil underneath to sunlight<\/li>
- Beneficial Nematodes<\/a><\/li>