Forget white vinegar — I found a better natural way to banish ants in my yard for good

Ants crawling over a wall outside
(Image credit: Shutterstock)

With summer finally here, it's my absolute favorite time of year for outdoor entertaining, whether that means cooking up a storm on my best grill or soaking up the sun with friends.

And so there’s nothing more frustrating than seeing a trail of ants taking over my patio and dining area. In fact, I’d thought I’d finally cleared the rogue few from my kitchen, but it looks like the real source of the problem was my backyard all along.

While I’ve tried various methods to eliminate ants—ranging from white vinegar and citrus peels to boiling water—these hacks typically offer only a short-term fix.

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However, everything changed when I discovered a natural powerhouse that effectively wiped out the infestation for good. Here is why diatomaceous earth has become my new go-to solution.

What is Diatomaceous Earth?

A jar of Diatomaceous Earth

A jar of Diatomaceous Earth (Image credit: Shutterstock)

Despite its name, Diatomaceous Earth (DE) is not actually earth, or soil, the way that we know it. This substance actually consists of microscopic remains from ancient sea life, making it a completely organic and natural solution.

Similar to baking soda, DE appears as a white powder, and the food-grade version is safe for humans to handle. It’s also a great, non-toxic alternative, as it’s free from harsh chemicals.

Once pests make contact with the powder, it essentially drains the fluids from their outer shells, leading to their eventual dehydration and demise. Making DE an effective, natural pest repellent in your yard.

Harris Food Grade Diatomaceous Earth
Harris Food Grade Diatomaceous Earth: $9 at Amazon

Widely sold at hardware stores and available online, food grade diatomaceous earth is an inexpensive insect killer with various pest control uses. Plus, it's natural, toxin-free, and does the trick!

How I used diatomaceous earth in my backyard

diatomaceous earth in backyard

(Image credit: Future)

With this in mind, I got to work trying to banish the ant invasion that was taking over my yard — and it was grim. The sight was overwhelming; hundreds of them — and I am not exaggerating — were streaming from the crevices of my patio pavers, scaling the walls, and swarming my garden plants. They were quite literally everywhere I looked.

I sprinkled a generous amount of DE into the cracks of the paving stones, steps, and any spot where they all seemed to be congregated.

Granted, the trails of white powder everywhere didn’t look appealing, but I was at my wits' end and wanted to get rid of these tiny critters once and for all.

To my surprise, the swarming masses had already begun to thin out, leaving only a scattered few behind. And within just 15 minutes, the entire infestation had vanished completely. I was impressed.

Given the scorching, hot weather we’ve had recently, I decided to reapply a fresh layer of the powder. A week later, and I haven’t spotted even a single rogue ant in my yard.

Forget white vinegar; diatomaceous earth has now become my go-to pest repellent. So if you ever want to get rid of ants quickly and hassle-free, you might want to keep DE on standby this summer.


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Cynthia Lawrence
Content Editor, Homes

As the Homes Content Editor, Cynthia Lawrence covers all things homes, interior decorating, and garden-related. She has a wealth of editorial experience testing the latest, ‘must-have’ home appliances, writing buying guides and the handy ‘how to’ features. 


Her work has been published in various titles including, T3, Top Ten Reviews, Ideal Home, Real Homes, Livingetc. and House Beautiful, amongst many.


With a rather unhealthy obsession for all things homes and interiors, she also has an interior design blog for style inspiration and savvy storage solutions (get rid of that clutter!). When she’s not testing cool products, she’ll be searching online for more decor ideas to spruce up her family home or looking for a great bargain!


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