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The 8 Best outdoor ant killers of 2025

Are you trying to find outdoor ant killers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling outdoor ant killers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 13 hours of research and did 39 outdoor ant killers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best outdoor ant killers you can buy today

SaleNo. 1
Ortho Orthene Fire Ant Killer1, Kills Queen, Destroys up to 162 Mounds, Begins Working in 60 minutes, 12 oz.
  • Ortho Orthene Fire Ant Killer1 kills the queen, destroys the mound, and treats up to 162 mounds
  • This fire ant killer begins killing in just 60 minutes, so you can get back to enjoying your yard fast
  • Kill fire ants outdoors on your lawn and around ornamental plants, including flowers, trees and shrubs
  • To treat fire ant mounds, simply sprinkle the product over each mound when ants are active, no watering-in needed (see product label for complete instructions)
  • Use as part of the Ortho Two-Step System with Ortho Orthene Fire Ant Killer Broadcast Granules (sold separately), which prevents new fire ant mounds from forming for up to 6 months
No. 2
Spectracide Fire Ant Shield Yard Protection Granules 10 Pounds
  • Price For: Each Type: Fire Ant Killer Active Ingredients: Lambda Cyhalothrin Standards: EPA registered Insect Control Type: Kills Insect Group: Crawling Item: Fire Ant Killer Indoor/Outdoor Usage: Outdoor Only Size: 10 lb. Dilution Ratio: Ready to Use Form: Granular DEET Concentration: DEET-Free Targeted Insects: Ants Country of Origin (subject to change): China
SaleNo. 3
Ortho Home Defense Insect Killer for Indoor & Perimeter2 with Comfort Wand, Controls Ants, Roaches, and Spiders, 1.1 gal
  • Ortho Home Defense Insect Killer for Indoor & Perimeter2 is a bug killer spray that kills the toughest home invading insects, including ants, cockroaches, spiders, fleas, ticks, scorpions, earwigs, silverfish, and periodical cicadas (as listed)
  • Provides a long-lasting bug barrier of up to 12 month protection (against ants, roaches, and spiders indoors on non-porous surfaces)
  • Apply this pesticide anytime as a preventative treatment or after you see evidence of insect activity
  • Use this pest control spray with confidence indoors (kitchens, bathrooms, doors and windows) and outdoors (perimeter of foundations, patios and decks, garages) wherever insects are a recurring problem
  • The easy-to-use continuous spray Comfort Wand helps you control insects easily and accurately without any bending, pumping, or hand-fatigue
SaleNo. 4
TERRO T1813B Outdoor Ready-to-Use Liquid Ant Bait Stake Killer Trap - Kills Common Household Ants 12 Stakes
  • Attracts & Kills – Kills common household ants including acrobat, crazy, ghost, little black, odorous house, pavement, and other sweet-eating ants
  • Kills the Ants You See & the Ones You Don't – As worker ants discover the bait, they share it with the rest of the colony to eliminate them all
  • Works Fast – You should see a significant decrease in the number of ants visiting the bait stations within just a few days
  • Ready to Use – Insert stakes and cut the tab, then watch it attract ants and eliminate the entire colony - 12 bait stakes included
  • For Outdoor Use – Place the bait stakes in outdoor areas where you’ve seen ants to target them outdoors before they can enter your home
No. 5
TERRO T300B Liquid Ant Killer, 12 Bait Stations
  • Attracts & Kills – Kills common household ants including acrobat, crazy, ghost, little black, odorous house, pavement, and other sweet-eating ants
  • Kills the Ants You See & the Ones You Don't – As worker ants discover the bait, they share it with the rest of the colony to eliminate them all
  • Works Fast – You should see a significant decrease in the number of ants visiting the bait stations within just a few days
  • Ready to Use – Place the bait stations, watch it attract ants, and eliminate the entire colony
  • Use Throughout Your Home – Place stations near areas where you’ve seen ant activity including along baseboards, in corners, on counters, and more
SaleNo. 6
Advion Ant Gel Bait, 1 30-Gram Tube, 1 Plunger and 1 Tip, Effective Ant Bait, Formulated with 0.05% Indoxacarb, Indoor and Outdoor Use, Ant Killer Gel for Control of Most Major Ant Species
  • ANT CONTROL: Advion Ant gel bait from Syngenta is a high-performing bait product targeting all major ant species. It’s formulated with 0.05% indoxacarb, which is a potent, non-repellent active ingredient used for trusted pest control. Thanks to its targeted MetaActive effect that differentiates between target insects and non-target organisms, it’s highly unlikely to negatively affect people or pets.
  • EFFORTLESS APPLICATION: This odorless ant bait can easily be applied to any surface, providing powerful ant control to help ensure a secure, peaceful home environment. Begin by inspecting and identifying ant infestations, whether they are indoors or outdoors. Apply the bait gel strategically in specific areas where ants are visibly trailing, including cracks, crevices, beneath appliances and in concealed spaces like attics and crawl spaces, to achieve comprehensive control.
  • TARGETS ALL MAJOR SPECIES: This ant bait effectively controls most major ant species, including Argentine and carpenter ants, in both indoor and outdoor infestations. This ant-killing gel is designed to attract sugar-seeking ants and target their nests, providing a comprehensive solution for any ant issue.
  • EFFICIENT ANT CONTROL: Say a quick goodbye to ants with Advion Ant gel. This fast-acting ant gel eradicates ant colonies quickly, offering long-lasting protection for an ant-free home. It's the ideal choice for cost-effective, efficient pest management.
  • COMPACT PACKAGING: This ant killer gel package comes with 30-gram ant gel bait syringes. Its packaging design prioritizes convenient storage and hassle-free handling of the ant-killing gel.
No. 7
TERRO T1804SR Outdoor Ready-to-Use Liquid Ant Bait Killer and Trap - Kills Common Household Ants - 8 Bait Stations
  • Attracts & Kills – Kills common household ants including acrobat, crazy, ghost, little black, odorous house, pavement, and other sweet-eating ants
  • Kills the Ants You See & the Ones You Don't – As worker ants discover the bait, they share it with the rest of the colony to eliminate them all
  • Works Fast – You should see a significant decrease in the number of ants visiting the bait stations within just a few days
  • Ready to Use – Place the bait stations, push down and twist the bait cup, then watch it attract ants and eliminate the entire colony
  • For Outdoor Use – Place the bait stations in outdoor areas where you’ve seen ants to target them outdoors before they can enter your home
SaleNo. 8
Amdro Yard Treatment Bait Kills Fire Ants Granules 5 Pounds
  • Provides season-long fire ant control
  • Destroys existing mounds and prevents new mounds
  • Applies easily with a lawn spreader
SaleNo. 9
TERRO T401SR Indoor and Outdoor Ant Killer Aerosol Spray - Kills Ants, Cockroaches, Crickets, Scorpions, Spiders, and Other Insects - 2 Pack 32 Total Ounces
  • 2 bottles included
  • Kills ants and other insects on contact
  • Kills on contact and continues to kill for up to 6 weeks
  • Use as a spot treatment and in cracks and crevices
  • 16 oz aerosol can with twist-to-open top
  • For indoor and outdoor use
SaleNo. 10
Combat Indoor and Outdoor Ant Killing Gel, 27 Gram
  • Helps get rid of ants in just 3 to 5 days
  • Best used in cracks and crevices where ants enter the home
  • Eliminates the entire ant colony
  • Fipronil, one of the most powerful ant killers, starts to exterminate ants in hours
  • This package contains one 0.95 ounce syringe of Combat Max Ant Killing Gel
  • Gel bait kills ants and the entire colony
  • High water content encourages faster feeding, so it starts killing within hour
  • Provides fast control of ants within 3 to 5 days
  • Syringe applicator lets you place the gel in hard to reach areas where ants travel, such as cracks and crevices
  • Ready-to-use directly from the syringe for fast, easy application
No. 11
Wondercide - Outdoor Pest Control Spray with Natural Essential Oils - Mosquito, Ant, Insect Repellent, Treatment, Killer - Safe Around Pets Kids 32 oz
  • KILLS & REPELS. A preventative and a treatment, this spray is a natural pest repellent, and kills mosquitoes, ants, fleas, ticks, roaches, flies, crickets, chinch bugs, japanese beetles, no-see-ums, gnats and more. Safe alternative to conventional pesticide sprays, baits, ant granules, zappers or foggers.
  • ATTACH & SPRAY! Just attach directly to a garden hose, spray your backyard, and enjoy. Safe around cats, dogs and people of all ages when used as directed, with no wait time for drying or reentry into sprayed outside areas. Keep the bottle & Refill the sprayer with our Outdoor Pest Control Concentrate!
  • TREATS UP TO 5,000 SQUARE FEET. A bug control spray that can be safely used on lawns, gardens, grass, picnic areas, playgrounds, patios, vegetables, flowers, siding, brick, paint and more. Treat an existing pest infestation or for prevention. Application coverage depends on water pressure and walking speed.
  • TREAT NATURE WITH NATURE. No artificial colors, fragrances. Made in the USA from powerful, sustainable plant powered ingredients. Cruelty free and biodegradable. Keep the bottle & Refill the sprayer with our Outdoor Pest Control Concentrate!
  • POWERED BY NATURE. Powered by cedar oil, our plant-powered formula is proven to kill and repel pests. Safe when sprayed outdoors around pets, kids, and beneficial insects like bees and butterflies. Permethrin-Free. Packaging may vary.
SaleNo. 12
TERRO T1812 Outdoor Liquid Ant Killer Bait Stakes - 8 Traps
  • Attracts & Kills – Kills common household ants including acrobat, crazy, ghost, little black, odorous house, pavement, and other sweet-eating ants
  • Kills the Ants You See & the Ones You Don't – As worker ants discover the bait, they share it with the rest of the colony to eliminate them all
  • Works Fast – You should see a significant decrease in the number of ants visiting the bait stations within just a few days
  • Ready to Use – Insert stakes and break the tab, then watch it attract ants and eliminate the entire colony
  • For Outdoor Use – Place the bait stakes in outdoor areas where you’ve seen ants to target them outdoors before they can enter your home
SaleNo. 13
TERRO T2600 Perimeter Ant Bait Plus - Outdoor Ant Bait and Killer - Attracts and Kills Ants, Carpenter Ants, Roaches, Crickets, Earwigs, Silverfish, Slugs and Snails - 2 Pack, 4Lbs
  • Attracts & Kills - These granules bait and kill ants, cockroaches, crickets, earwigs, silverfish, slugs, snails, and more
  • Long Lasting - The weather-resistant granules provide long-lasting protection against insects for up to 4 weeks
  • Keeps Insects Out - These outdoor granules take care of insect infestations outside, before they make their way into your home
  • Easy to Use - The convenient 2 lb shaker canister allows for easy dispensing, eliminating the need for a chemical spreader
  • For Outdoor Use - Ideal for use as a perimeter application around the home or property
SaleNo. 14
Terro T1812-2 Outdoor Liquid Ant Killer Bait Stakes (2 Pack)
  • Attracts and kills all common household ants outside before they get inside - Slow kill gives worker ants time to transport bait to the colony and queen
  • Kills the ants you see and the ants you don't
  • Contains 16 weatherproof ant bait stakes that are ready-to-use
  • Contains borax
  • Tiered bait pack increases bait consumption, minimizes waste and see-through window enables easy monitoring of ant bait level
SaleNo. 15
Terro T901-2 Ant Killer Plus Insect Control 3lb bags (2-Pack)
  • 2 shaker bags included
  • Kills ants, fire ants, cockroaches, fleas and other insects
  • Fast-acting granules kill insects in 24 hours
  • Keep insects out – use as band treatment around house foundations and on lawns, or as a spot treatment on ant hills
  • Convenient, resealable shaker bag – no spreader required

How to choose a good outdoor ant killers

Does the idea of finding a fantastic outdoor ant killers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in outdoor ant killers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top outdoor ant killers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top outdoor ant killers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top outdoor ant killers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top outdoor ant killers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the outdoor ant killers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good outdoor ant killers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your outdoor ant killers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting outdoor ant killers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our outdoor ant killers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what outdoor ant killers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on outdoor ant killers.