Why Do I Have Roaches In My Yard At Night?

If you’ve got a yard, then I’m sure you’ve asked yourself, “why do I have roaches in my yard at night?”

Roaches simply love the yard because what you have in your yard creates a perfect place for them to live and multiply.

Here are the three main reasons why your yard is full of roaches at night

  1. Your yard has a lot of wet or moist places, especially after rain. If your yard has piles of wet rotting wood, leaves, and open trash cans, then be sure that your yard is full of these creepers. Roaches love it. So do the silverfish.
  2. Roaches hide away in the dark fissures during the daytime. If there are many cracks in the walls of your yard, then chances are there are roaches in those cracks. And they’ll come out after dark.
  3. Cockroaches are nocturnal bugs. They come out at night to feed and breed. If your yard has perfect conditions for the roaches to live and rear, then you’ll surely see a lot of roaches after sunset.
Why do I have roaches in my yard at night

Apart from your yard, roaches also live on trash piles, food wastes, around sources of water, in mulch, and sewer systems.

But that’s not all.

Even if you’ve got a clean home, you can see roaches inside your home too!

Roaches depend on moisture to survive.

So, if the pipes and faucets in your bathroom, laundry room, and kitchen are leaking, then don’t be surprised to find a few roaches in these rooms.

Warm and dark rooms also attract roaches.

So, if your bedroom is crammed and has lack of sunlight, then the chances of a roach infestation are high.

That’s why basements and attics are also perfect places for the roaches to hide.

There’s less sunlight, they’re generally jam-packed with stuff, and they don’t get cleaned often.

Keeping the lights on in dark rooms won’t make the roaches leave if there are sources of moisture, food, and a hiding place for them.

But finding roaches inside your home doesn’t mean that your home is dirty.

Cockroaches have been around for 300 million years, and they know how to survive.

They can easily find food and moisture even in swanky clean five-star hotel rooms.

Summer is roach season.

If you’ve got a yard, then expect to see a lot of roaches during the summers.

During winters, roaches spend most of their time hiding in warm places, like wall cracks and piles of clothes.

Roaches enter a period of hibernation during winters, and they resume their foraging activity during spring.

It’s not only the roaches that live in your yard. Your hard can also harbor other bugs like fire ants, termites, and even fleas.

How To Get Rid Of Roaches From Your Yard?

By cleaning your yard, by using diatomaceous earth, insecticidal spray, and baits you can keep your yard roach-free.

Get rid of roaches

Let’s look at them in detail –

The first thing that you need to do is, what the pest controllers say, exclusion.

An exclusion means denying the environment to cockroaches that allow them to live and breed.

It means that you clean up your yard by –

  • Removing all the piles of dead wood and leaves. Cut off tall grasses too.
  • Cleaning the trash cans and covering them tightly with a lid.
  • Trimming any overgrown bushes or grasses. Tall grasses and overgrown bushes are hiding place not only for roaches but also for fleas and crickets too.
  • Filling in the cracks and fissures in the walls with cement.
  • Fixing any water leakage issues in the yard and inside your home.
  • Removing any water collection areas like old tires, discarded bowls, paper food plates, and any cans lying around in your yard.
  • Sealing off the compost piles if you’ve got a compost.

The above steps will be reasonable enough job to deny the roaches an ideal environment to survive.

But if the roaches persist, then it’s time to commit mass roach purge.

One of the ways to kill them is by using food grade diatomaceous earth. It’s non-toxic for humans.

Makers of diatomaceous earth use fossilized seashells.

The diatomaceous earth grains are sharp, and they pierce the roaches’ body to dry them out and kill them.

Diatomaceous earth is also effective in killing ants in yard and home.

Diatomaceous earth works best if you use them on a dry surface rather than on a wet surface.

On the damp surface, diatomaceous earth is ineffective. So, make sure that the yard soil is dry when you’re using it.

Use a pest control duster to spray the diatomaceous earth on the dry surface where the roaches live.

Spray it on places like bushes, near the tree bases, lush grasses, flowerpots, mulched areas, and around the water taps in your yard.

Don’t water your yard at least for a day or two if you’ve sprayed diatomaceous earth.

If you water your yard, then the diatomaceous earth won’t have much of an effect on the roaches.

You can also use baits to end roaches from your yard.

Use these baits in your walls’ cracks and fissures or around the areas where the roaches live.

But don’t use insecticidal sprays around the bait. The spray will repel the cockroaches from the bait.

Spray the insecticidal spray on the roaches’ hiding places and along the perimeters of the house.

It’ll prevent the roaches from entering your home. Don’t forget to keep the insecticidal spray away from children and pets.

You might have heard that ants are a perfect roach killer.

They’re! They feast on roaches.

Ants live and breed in places like your yard.

Ants are a nuisance when they sneak into your home from your yard.

And the sight of ants feasting on dead roaches isn’t something that you’d like to see daily.


Cockroaches are nocturnal creatures, and they are most active during the night. That’s why your yard is so full of roaches at night.

Keeping your yard clean, making it garbage-free, and moisture-free prevents cockroach infestation in your yard or garden.

There’s no guarantee that your yard will be forever roach free. Roaches thrive when there’s a continuous supply of moisture and food.

But taking a few steps, especially during summers, you can easily control roach manifestation in your yard.

Using diatomaceous earth, baits, insecticidal spray, filling up the cracks in the walls, and cutting the moisture and food sources works well to keep your yard roach-free.

Do you know that there’s a species of roach that only lives outdoors?

It prefers to live in your yard or garden rather than infesting your home. It’s known as the wood roaches.

Read our post on wood roach vs. cockroach to know the differences between a home-infesting cockroach and a wood roach.