Choose The Best Outdoor Ant Killer

For the better part of their existence, ants are wired to constitute a nuisance in your yard, bite you, your unsuspecting kids, pets and even advance further to destroy your lawn. Their activities if not contained, can lead them to think they are welcomed and so are free to proceed into the main house. You sure know what it means having ants in your living room. The situation will be miles away from pleasant. What might be the best outdoor ant killer out there?

If you have been charting solutions to curb their excesses around your house and their presence freaks you out, then this review is for you.

In this review, you’ll be furnished with the top 5 Best Outdoor Ant Killers and our own recommendation as the overall best.

If you want to keep these annoying ants at bay, then read on.

5 Best Outdoor Ant Killers 

Terro Liquid Ant Bait

Check price on Amazon

This Terro liquid sugar ant bait is a premium choice in the total destruction of outdoor ants. With the bait as sugar, ants will be excited to run into their doom. It is made from the insecticide borax and works optimally within 24 – 48 hours.

There are different kinds of outdoor ants and it takes care of them all, regardless of their nature. The effective powers of Terro in terminating the existence of outdoor ants is not limited by any weather condition. That’s a huge plus.

All you have to do is to strategically position the liquid baits around your yard and especially in their trails where you are certain they will follow through and leave the rest of the job to the insecticide.


It is weatherproof.

Works on a wide variety of outdoor ant species.

Can terminate ant colonies in 24 hours.

Easy to set up.


The liquid bait can soil your environment.

Requires regular checkup on the bait and surveillance.

Amdro Home Perimeter

Check price on Amazon

The Amdro Home Perimeter outdoor ant killer isn’t in a liquid form like the Terro but does the same work of decimating an entire ant colony regardless of their specie. It comes in the form of granules baited with 88% Hydramethylnon. With this chemical in it, bugs and ants are helpless when they come in contact with it.

This ant killer targets the queen and so it keeps the ants alive long enough for them relay the juicy bait to her so they can all die in unity. With the queen dead, the game is over. You can sprinkle it around the perimeter of your house and prevent ants from gaining access to your house and even around your fence to ward off ants entirely. Since it’s not in liquid form, it won’t cause your environment to look sullied.


It can inhibit the spread of different species of outdoor ants around your yard.

Easy to use and doesn’t sully your environment.

Targets the queen.


The 24 – 48 hours results of the Terro can’t be assured here.

Sometimes you might need an extra spreading tool to disperse the granules around your yard.

Ortho Orthene Outdoor Ant Killer

Check price on Amazon

The Ortho Orthene outdoor ant killer is specifically designed for fire ants that make up some of the most deadly insects you can ever have around your home. One sting or bite from this insect can cause your body to react to the effect, which can be a very sore experience for you and deadly to sensitive persons.

The Ortho brand assures you that a single bottle can terminate up to 162 mounds of this nasty insect and in addition; murder their queen. It’s a money-back guarantee of the annihilation of the fire ant colony around your yard.

All you need do is to sprinkle this insect on the mound, about a tablespoonful should be enough and then you walk away and let it do its job. You don’t need to water-in or scatter the mound for it to effective, just sprinkle and retreat.

In the next couple of days, you can relax freely in your hard without having to run back indoors because the ants say you should evacuate.


Within hours after application, it starts acting.

No watering-in.

The queen is killed.

Easy to apply.

Destroy mounds in three days.


Scattering the mound limits its powers.

Could be dangerous to pets and kids in contact with it.

Ortho Home Defense Max Insect Killer Granules

Check price on Amazon

Ortho Home defense is an insect killer super pack. They destroy pests in general and not just ants. From noisy crickets to spiders and from ticks to moles, the ortho home defense is truly a defender. If offers three months of protection for your home. Three months of uninterrupted fun around your yard from insects.

If your lawn is heavily infested by pests, this should be your ideal choice. One application can get rid of them and keep them in a comfortable distance away from your home for about three months.

However, if fire ants are your major trouble, you should consider Ortho Orthene for a thorough job. Fire ants are smart insects and can maneuver their way to safety from insecticides that are general pest killers.

It needs to be watered-in and allowed to dry while the granules can be applied around your perimeter, lawns and flowers.


Kills more than just ants.

Easy to use.


Can’t be used in vegetable gardens.

Fire ants can escape their onslaught.

Bayer Advanced Ant Killer Plus

Check price on Amazon

Beyond just ants, the Bayer advanced outdoor ant killer can also terminate the existence fleas, ticks, mites, spiders and cockroaches around your home. It also offers three months of protection from outdoor ants and other insects.

A single bottle can cover up 1,500 square feet of your space, wiping out every insect that comes in contact with it. It comes in an easy-to-use shaker bottle that you can use around the perimeter of your house and on your lawns.


Easy-to-use shaker bottle.

Wipes off the entire colony or mounds.

It offers three months of protection.

Kill different types of insects, not just outdoor ants.


It takes a longer time to kill the insects.


The Best Outdoor Ant Killer according to our assessment is being given to the Terro liquid Bait Outdoor Ant Killer. It offers the most prompt results and is weatherproof. It can also kill different species of outdoor ants. Its downsides can be managed and termed negligible.


What ant killer do professionals use?

The best way to kill ants is with an insecticide that has two active ingredients: a carbaryl and a pyrethroid. However, some professional ant killers use pesticides such as borax, lindane, malathion and permethrin that kill ants by affecting their nervous system or disrupting the digestive system.

Professional pest control companies can also use other methods such as getting rid of the food supply for ants or using ant bait stations in places where ants frequently infest homes like kitchens and bathrooms.

They also use liquid baits, gel granules, and liquid sprays. Liquid sprays offer the most effective and long-term solution for killing ants.

Liquid baits will kill off an entire colony in a short amount of time. The baits work by luring the ants to come into contact with it and eating it, which ultimately leads to death.

Does spraying for ants really work?

Many homeowners have tried spraying for ants themselves and have had success. However, some people believe it is not the best way to control ants.

The results of a recent study study showed that the majority of ant species were killed by the treated surfaces in less than 12 hours after application as well as on untreated surfaces in less than 24 hours. The ant colony was also greatly reduced over a period of 3 weeks.

Spraying for ants was shown to be a viable solution but one with limitations or side effects that could be avoided by using other methods instead such as biological controls and chemicals.

What does Orkin use for ants?

Orkin uses a commonly used pesticide for ants. They use products that are not only effective but also one that is safe for people and the environment.

The company has used experimental formulas for more than a century, and it has become one of the leading extermination service providers in North America.

What does Orkin use for ants? The company uses different types of pesticides such as boric acid, carbaryl, sodium borate (borax), pyrethrin, and rotenone.

How do I get rid of ants permanently?

Ants can be dangerous pests to your home. They are capable of building nests and spreading diseases. If you have ants in your house, here are some solutions on how to get rid of them.

One of the most common methods is using ant traps. These traps will attract the ants and kill them on contact. However, you should use caution when disposing these because they may contain poison that could harm other people or pets if they get into their mouths or make contact with their eyes or skin.

Ants will follow the same path over and over again, so you can use this knowledge to kill off all of their colonies with a single trap. You just need to bait them with a sugary substance like honey or syrup.

Should I clean up dead ants?

There are a few reasons why you should not clean up dead ants.

The first reason is that you could get bitten and the second is that it may cause more harm than good. Dead ants don't have any harmful bacteria and in some cases, they might actually be beneficial for your garden.

The best ways to get rid of ants are by using sugar and boric acid solutions.