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You are here: Home / General Gardening / Garden Pests / Flea Control Options for the Yard

Flea Control Options for the Yard

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Two flea beetles on bindwood
Creative Commons photo courtesy of Dluogs

By Julie Christensen

We can send a man to the moon, separate conjoined twins and build computers capable of storing millions of bits of information, yet we can’t get rid of the common flea. Fleas can be found almost everywhere, including your yard and your home. If you have pets that mostly live outdoors, you’ll want to focus your energy on ridding the yard of fleas.

Fleas are not only uncomfortable for your pet, but in severe infestations, they can cause serious illness, such as anemia. These blood-sucking pests can also cause rashes, itching and irritation. Fleas generally hop a ride on dogs, cats and poultry, but they can also attack humans. To get rid of them takes a multipronged, ongoing approach.

The Life Cycle of a Flea

Adult fleas lay their eggs outdoors in grass and in particular, in shady areas, such as under shrubs and trees. When the eggs hatch, the larvae begin feeding on animal or plant material, depending on the species. The larvae soon spin a web and emerge as adults, just waiting to hop a ride on any unsuspecting warm-blooded animal. If your pets come indoors, they can quickly migrate inside the house, as well. The entire life cycle of a flea ranges from 28 to 42 days and one flea can lay thousands of eggs.

Ridding the Yard of Fleas

When dealing with any pest, it’s always best to start with the safest, most natural approach. If you have a large yard, focus your attention on the areas where your pets seem to hang out the most. First, intersperse your garden with garlic, chives and other members of the allium family, which seem to deter fleas. Mulch flower beds and pet runs with cedar chips. Fleas don’t like the smell of the cedar and the chips are probably irritating, as well.

Another effective and simple strategy is to incorporate nematodes into your garden. Nematodes, which are microscopic worms, get a bad rap and some of them are harmful to garden plants. Many nematodes, though, are helpful because they feed not on your plants, but on fleas and other pests. Steinernema carpocapsae nematodes live in cool regions, while Steinernema feltiea live in warm areas. Nurseries and garden centers carry nematodes, usually marketed to destroy grubs. Spread the nematodes in the most troublesome areas and let them do their work.

Then, spread diatomaceous earth over the lawn, as well as under shrubs and in shady areas. Diatomaceous earth is the remains of tiny aquatic animals called diatoms. As these animals became fossilized, their shells were ground into a very fine dust that contains silica. Although diatomaceous earth is completely safe for humans, pets and wildlife, it is toxic to any animal with an exoskeleton, including fleas.

Diatomaceous earth works on fleas in two ways. First, it absorbs oils from the pests’ bodies, causing them to dry out and become dehydrated. Diatomaceous earth contains sharp edges that scratch the fleas’ bodies, causing further injury and dehydration.

Diatomaceous earth works only as long as it remains dry. Reapply it every 7 to 10 days for several weeks, or until the problem is resolved.

Some gardeners swear by Borax, a natural laundry product, for deterring fleas. Borax is particularly effective at keeping them out of the house. Sprinkle borax in the lawn or on the patio near any entryways. Borax deters ants and other insects too.

Flea Control Indoors

If your pets come indoors at all, chances are, fleas have migrated inside, as well. Any efforts you make to get rid of fleas in the yard should be backed up by a thorough cleanup inside. Start by vacuuming the house thoroughly from top to bottom. Vacuum carpets, hard surfaces, rugs and even under the rugs. Vacuum baseboards and corners.

Hit the sofas and mattresses, as well. After vacuuming, put the vacuum bag in a sealed plastic bag and send it to the trash. Wash all pillows, bedding and washable rugs in warm or hot water, depending on the fabric. Repeat this process over several weeks for a flea-free yard and home.

For more information, visit the following links:

Natural Flea Control from Mother Earth News
Diatomaceous Earth from the National Pesticide Information Center

Julie Christensen learned about gardening on her grandfather’s farm and mother’s vegetable garden in southern Idaho. Today, she lives and gardens on the high plains of Colorado. When she’s not digging in the dirt, Julie writes about food, education, parenting and gardening. 

 

chives dog scratching with text overlay how to prevent fleas in the yard flea control options

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Filed Under: Garden Pests Tagged With: get rid of fleas, indoor fleas, kill fleas, outdoor fleas, repel fleas

Comments

  1. Jim Lee says

    June 20, 2021 at 4:57 pm

    Several years ago when Diatomaceous Earth (DE) became the internet rage I bought 50# of food grade DE. I rubbed it into my dogs coats and sprinkled it on my yard. After a week or so I noticed the dogs still had fleas and an occasional tick. As an experiment I caught 2 fleas (not an easy thing to do) and 2 ticks and placed them in a pint sized Mason jar with 1 inch of DE on the bottom and sealed it up. I put the jar on a shelf and got busy and forgot about it for 2 weeks. When I remembered it I retrieved the jar and looked closely at the fleas and ticks inside. They were lively and unaffected by the DE. While DE is effective on soft bodied insects, it has no effect on hard bodied insects like ticks and fleas.

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