3.1 out of 5 Customer Rating
Ortho® Orthene® Ant Barrier Granules - 2.5lbs is rated 4.7 out of 5 by 41.
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Ortho

Orthene Ant Barrier Granules, 2.5 lbs.

$13.99
3.1 out of 5 Customer Rating
Ortho® Orthene® Ant Barrier Granules - 2.5lbs is rated 4.7 out of 5 by 41.
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Ortho
Orthene Ant Barrier Granules, 2.5 lbs.
$13.99

Keep the outside, outside. These easy-to-use granules create a bug barrier in minutes that keeps insect pests from coming inside your home. It kills over 100 insects, including ants and spiders, and controls them for up to 3 months (see booklet for complete details).

4662501

Key Features

  • KILLS 100+ INSECTS*: Kills ants, spiders, crickets, ticks, beetles, and more as listed outdoors before they can come inside your home
  • 3-MONTH PROTECTION**: Creates a bug barrier that kills and prevents listed insects for up to 3 months, giving you long-lasting peace of mind
  • STARTS WORKING IN MINUTES: These light and easy-to-apply granules start working in minutes to create a barrier around your home's foundation

"*Refer to product booklet for insect lists

**Refer to booklet for the insects killed for 3 months.

Your home is your sanctuary, but unwanted insects can disrupt that peace. Ortho Orthene Ant Barrier Granules help you keep pests in their place—outside. The ready-to-spread granules are light and easy to apply, creating a bug barrier around your home's foundation in just minutes. This formula kills over 100 listed insects, including ants, spiders, and crickets, while providing up to 3 months of protection (see booklet for complete lists of insects controlled). Keep bugs out, and get back to enjoying your home.

Active Ingredient: Bifenthrin

Type of Applicator: Ready-To-Use Shaker Jug

Coverage: Treats up to 2,500 sq. ft.

Size: 2.5 lb.

SKU: 4662501

Product Label

Where to Use: Use on the ground in a 2-foot wide band around your home's perimeter/foundation.

Where Not to Use: Do not apply to hard surfaces like sidewalks, driveways, and streets. In New York State, this product may not be applied to any grass or turf area (lawns) within 100 feet of a water body (lake, pond, river, stream, wetland, or drainage ditch).

When to Use: Apply at the first sign of insect activity or damage, or apply early to prevent infestations. Apply in calm weather when rain is not predicted for the next 24 hours.

How Often to Use: Re-apply after 3 months if necessary. A repeat application may be made if you see signs of renewed insect activity.

1. Open Cap: Remove the cap by rotating it counter-clockwise.

2. Remove Seal: Peel off the seal from the bottle.

3. Replace Cap: Replace the cap by rotating it clockwise until tight.

4. Open Spout: Flip open the spout on the cap.

5. Apply: While holding the bottle parallel to the ground, shake it in a side-to-side motion to dispense the granules evenly. Apply a 2-foot wide band next to the home foundation.

6. Water: For best results, water the treated area thoroughly immediately after application.

  • For general use, apply 0.5 to 1.0 lb. of product for each 500 sq. ft. (a 2 ft. x 250 ft. band).
  • For 3-month control, apply 2 lbs. of product for every 500 sq. ft. (or 1 lb. of product for every 250 sq. ft.).
  • Water the treated area thoroughly right after application, but do not water to the point of run-off.
  • Apply during calm weather when rain is not expected for 24 hours.
  • If any granules land on hard surfaces like sidewalks or driveways, sweep them back onto the treated area.
  • People and pets may re-enter the treated area once it has dried.
  • This product can cause moderate eye irritation. Do not get in eyes or on clothing.
  • Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, or using tobacco.

Frequently Asked Questions

If I have Orthene Ant Barrier Granules leftover, how do I store it?

Store the product in its original container, in a clean, dry, well-ventilated place. Keep it out of reach of children and animals and avoid excess heat. Reseal the container after partial use.

Ortho Orthene Ant Barrier Granules kills and prevents listed insects for up to 3 months when applied at the 2 lb. of product per 500 sq. ft. rate.

Yes, for best results, the treated area should be thoroughly watered immediately after application. However, do not water to the point of run-off.

Ortho Orthene Ant Barrier Granules kills and prevents the following insects for up to 3 months: Aphids (Greenbug), Ants (Acrobat, Allegheny Mound, Argentine, Big Headed, Black Turf, Citronella, Cornfield, Crazy, Ghost, Fire Ant Foragers, Little Black, Odorous, Pavement, Pyramid, Red Harvester, Small Honey, Sugar, Thief, White Footed), Armyworms (Fall, Lawn), Beetles & Larvae (Billbugs (Bluegrass & Hunting), Black Turfgrass Ataenius, Dichondra Flea, Ground, Lady Beetles (Asian, Convergent, Seven-Spotted, Thirteen-Spotted & Twice-Stabbed), Weevils (Annual Bluegrass)), Bristletails, Caterpillars (Cutworms (Black, Bronzed, Granulate, & Variegated), Fiery Skipper, Striped Grassworm, Webworms (Sod & Tropical Sod)), Chinch Bugs, Crickets (Arizona, Common Short Tailed, Eastern Striped, Fall Field, House, Indies Short Tailed, Northern Wood, Sand Field, Southeastern Field, Southern Wood, Spring Field, Texas Field, Tropical, Variable Field, Vocal Field, Western Striped), Earwigs, Firebrats, Flies (European Crane (larvae), Frit), Grasshoppers, Leafhoppers, Mealybugs, Millipedes, Mites (Chigger), Mole Crickets (adult: Southern, Tawny), Moths (Lucerne), Pillbugs & Rollie Pollies, Scorpions (Arizona Stripetail, California Common, Eastern Sand, Lesser Stripetail, Northern, Southern Unstriped, Yellow Ground), Seed Maggots, Sowbugs, Spiders (Brown Recluse, Burrowing Wolf, Longbodied Cellar, Marbled Cellar, Pirate Wolf, Shortbodied Cellar, Thinlegged Wolf), Spittle Bugs (Two Lined), Ticks (American Dog, Brown Dog, Deer, including those that transmit Lyme Disease), and Wireworms.

Yes. Ortho Orthene Ant Barrier Granules also kills the following insect pests, but without a 3 month residual control: Ants (Carpenter, Pharaoh), Aphids, Beetles (Asiatic Garden, European Chafers, Green June, Masked Chafers, May/June, Oriental, Sugarcane), Caterpillars (Bagworms), Centipedes, Fleas, Flies (European Crane (adult), Fruit), Fungus Gnat Larvae, Leafrollers (Omnivorous), Mites, Whiteflies, Mole Crickets (nymphs), Plant Bugs, Scale, Springtails, Thrips, and Weevils (Annual Bluegrass (larvae), Black Vine (larvae), Root (larvae)).

Rated 5 out of 5 by from So easy to use, works incredibly well in fighting the good fight against nasty ants! I’m in northern Georgia, and every year the ants and other creepy crawlies are OUT OF CONTROL! Well, come springtime, we’re always guaranteed an ant infestation. I’m pretty confident there’s an entire world’s worth of ants living in a monster colony under my concrete driveway. Then, we always find a single file line of ants going across our living room floor in a beeline to god knows where, and coming from god knows where. It’s frustrating. We’d go thru the same motions every year to battle the bugs. Enter Ortho’s Ant Barrier granules. Who knew sprinkling these to form an invisible force field around our house would be so effective? It works, I can tell you that. We had no indoor ants this year at all, and I mean none. No tinies, no big bootied carpenter ants, none floating in the cat’s water dish. Plus, they’re so easy to use, disperse as much as you need and cap it off till you need it again. No messy sprays or liquids you have to mix and then toss the leftovers. 10/10, loved the application and ease of use. Reapply if needed, but we only needed one and done. Effective stuff!
Date published: 2026-09-11
Rated 5 out of 5 by from Eliminates ants efficiently and almost immediately The Ortho Orthene Ant Barrier Granuels work very well to eliminate ants. In no time they were gone. I will continue to use this product as much as I need to. I highly recommend this product to all battling ants!
Date published: 2026-07-31
Rated 5 out of 5 by from Delivers what is promises. Fast and effective!, Easy to apply, convenient container, and ants dissapeared in 24 hours. Didn't smell at all it's a 10/10. highly recommended!!
Date published: 2026-07-08
Rated 5 out of 5 by from Kills many insects We live in a humid and hot climate and we have many insects outside including ants and some spiders and this orthene and barrier granules has been awesome. We have been using it for a while now and we have not seen too many insects since then, the good thing it’s order free and packaging is great . thank you Influenster for giving me a chance to try out this product definitely recommend.
Date published: 2026-07-01
Rated 5 out of 5 by from ⭐️⭐️⭐️⭐️⭐️ highly effective ant killer "I was dealing with a persistent ant problem around my yard and home, and Orthene worked much better than I expected. Within a short time, I noticed a significant decrease in ant activity, even in areas where other products had failed. The product was easy to apply and covered a large area, making it a great value for the price. What impressed me most was how long the results lasted, reducing the need for frequent reapplications. As with any insecticide, be sure to follow the label instructions carefully and keep children and pets away during application. Overall, this has been one of the most effective products I've used for ant control and I would definitely purchase it again."
Date published: 2026-06-25
Rated 5 out of 5 by from Easy to apply, long-lasting pest protection Highly recommend these Ortho ant barrier granules! The flip top lid is a game changer, makes it so easy to evenly distribute the granules around your house and doesn’t allow them to all spill out at once. The 2.5lbs bottle was enough to spread around the whole perimeter of my small house with little leftover. For a bigger house I would recommend a bigger bottle. I have noticed a difference in seeing less insects in the house since 1st use. I also feel safer using these granules as pest control rather than a spray I can potentially breath in. Definitely would trying for yourself if you have an ant or insect problem!
Date published: 2026-06-07
Rated 5 out of 5 by from Works quickly & effectively! Excellent product! I noticed carpenter ants around my foundation and treated them with this product. A few hours later their activity had significantly decreased. Within 24 hours they were all gone. When I was mowing, I discovered more ants under the drain spout. I applied the granules all over and made sure they went in the ant holes. I haven't seen an ant since! It didn't leave any residue, was dust free, and there was noticeable odor. I highly recommend this product.
Date published: 2026-06-01
Rated 5 out of 5 by from Decent amount of product for price I haven’t had the chance to use this yet since it’s been raining a lot but you get a decent amount of product for the price. I hope it helps with my ant problems, I will update once I use.
Date published: 2026-05-22
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