How Do I Get Rid of Fleas in My Garden Naturally?

dog scratching because of fleas

Summer is the perfect time to take full advantage of your garden, spend more time outside under the sun and recharge your batteries. However, your time soaking up the sun and relaxing around the garden can be annoyingly disturbed by an unwelcome flea infestation.

The risk of getting fleas in your garden or inside your home is pretty high during this season especially if you own pets. The most common carriers of these crawling pests are dogs, cats, rodents and humans.

So if you have any doubt of flea infestation in the garden or have already spotted such, keep reading this article and learn how to treat the garden for fleas and where to look for them.

Where Do Fleas Live in the Garden? 

Fleas prefer shady, cool and moist places. Their favourable spots around the garden are under trees, shrubs, and fallen leaves. One place they don’t feel comfortable is in open grass or sunny areas. 

Once you determine that your household may be infested, the first place to check are the areas your pets are most frequently. Inspect the places where your cat or dog likes to sleep, rest, dig holes and generally where they like to play and roll about. Look around the doghouse, kennel, outdoor furniture, and shady trees. Also check out the patio, underneath the porch, along fences, and around your house’s perimeter.

It’s the best to keep the pets out of the hot-spots of the infestation until you eradicate the pests completely. Otherwise, it’s very easy for one flea to jump on the dog or cat and your efforts will be for nothing. 

How to Treat the Garden for Fleas?

#Mow your garden 

Long grass and unkept vegetation are ideal for fleas to hide in. If you want to make it an unpleasant habitat for fleas and their predators like ants and spiders, better mow the grass regularly to keep it short.

#Clean your outdoor space

Clear the garden from fallen leaves, pick any weeds, remove any trash and organic debris that can offer a place for fleas to hide and lay eggs. Pay attention to the edges of the garden and keep it tidy to prevent fleas transferring from the street or neighbours’ gardens. 
Stacked wood and piles of rocks are also an ideal breeding ground for fleas. The more clutter there is, the more places fleas can take advantage of and hide.

#Regulate the moisture

Fleas love moisture which is favourable for their living conditions. Make sure not to overwater your grass and plants. Avoid making the garden even more of a favourable environment for the insects.

#Allow more direct sunlight

Darkness is best for fleas. Therefore, try to reduce the areas under shade around the garden. Trim the lower branches of the trees and bushes to let more direct sunlight.

#Treat your lawn

Use specialized flea spray for garden treatment to kill existing fleas, their laid eggs and deter new ones from infesting the place. Alternatively, you can use professional assistance from a pest controller

#Flood the infested areas

Once you have treated the yard for fleas with pesticide, you still need to go after their eggs and larvae. The most likely places where fleas breed are moist, shady places. Hose down the areas around trees, shrubs, flower beds, rock mounds and slightly flood the grass. Anything left from the infestation won’t survive the flooding and will die in the water.

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#Mulch with cedar

Lay cedar mulch in the flower beds, or you can use it anywhere you’d like around the garden as a surface. Cedar is a natural flea repellent and will help keep them away. Preferably use them throughout the yard’s perimeter so that they can deter fleas from getting into your yard.

#Use nematodes

A natural way to get rid of fleas is to introduce nematodes in your garden. They are often referred to as roundworms and are almost microscopic organisms that live in the soil. They will not only destroy any fleas but also will control other garden pests such as ants, worms and termites. You can buy them in any garden centre or online. When you get it, open the package, add the necessary amount of water as described in the directions on the product label and spray the nematodes in your garden.

#Diatomaceous earth for flea extermination

Another natural method to fight fleas is using diatomaceous earth (DE) which is free of harmful toxins. It’s made from fossilized remains of a type of algae called diatoms. This natural pesticide kills fleas and is completely safe for people and pets. You can spread the dust all-around your garden especially around the heavily infested areas. The only disadvantage is that the DE works only in its dust form. That is why you can use it in dry conditions and avoid treating the garden during the wet months.

#Keep rodents away from your garden

Get rid of rats in the garden or mice and try to prevent them and other creatures from entering or living around your backyard. They by themselves are enough of trouble but they are one of the carriers of fleas as well. So do what you can to keep them out by using traps, avoiding birdseeds and making your garden less friendly to them.

See related posts:
How to Get Rid of Rats in the Garden Without Poison?
Get Rid of Rats in Your Home

#Assure your home and pets are clean

Clean your house, vacuum every room and treat every room from the infestation. Then, groom and treat your pets to kill any fleas that may have gotten to them. This will ensure that any fleas on your cat or dog are gone and will put an end to the infestation in your home.


In your fight with the garden flea infestation, the most important thing is to make the place inhospitable. The acrobatic insects thrive in hot, humid weather, darkness and tall grass. They literally jump on the opportunity to hide under fallen leaves, in the sand and dusty moist places or under organic debris laying around. That’s why keeping your garden clean, mowing the lawn regularly and keeping the area along the fences and walls clear is important. Always keep your pets protected and look for signs of a new infestation because fleas are active almost all-year-round. 

Image by: Donnie Ray Jones / License: CC BY 2.0

Need a Pest Exterminator?

Enter your postcode to view our rates and availability in your area.

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For questions about the services we offer visit our main site or you can always call us at 020 3746 0579

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