The Best Ortho Orthene of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Ortho Orthene of 2025. Check our ranking below.
2,314 Reviews Scanned
Rank No. #1
Ortho Orthene Fire Ant Killer1 – Mound Treatment, Outdoor Ant Killer, Kills Queens, No Watering Needed, Treats up to 162 Mounds, 12 oz. (2-Pack)
- KILLS FIRE ANTS & THE QUEEN: Ortho Orthene Fire Ant Killer1 is used as an fire ant killer outdoors to target the entire colony to control ants at the source
- THE ORTHO 2-STEP SYSTEM: This pack includes two 12 oz. bottles of Ortho Orthene Fire Ant Killer1; for best results, use with Ortho Fire Ant Killer Broadcast Granules, sold separately
- FAST-ACTING FIRE ANT TREATMENT: Fire ant granules begin killing in just 60 minutes so you can get back to enjoying your yard fast
- HOW TO USE: Simply sprinkle the fire ant granules for outdoors over each mound using amount specified on the product label, no watering-in needed; one 12 oz. bottle treats up to 162 fire ant mounds
- WHERE TO USE: Use this fire ant killer outdoors to kill fire ants on your lawn and around ornamental plants, including flowers, trees, and shrubs
Rank No. #2
Ortho Orthene Fire Ant Killer
- Starts to kill in hours
- No watering-in required
- Reduced odor formula
- Built-in seal opener - no tools needed
- 50% Acephate
Rank No. #3
Ortho Orthene Fire Ant Killer1 – Mound Treatment, Outdoor Ant Killer, Kills Queens, No Watering Needed, Treats up to 189 Mounds, 14 oz
- KILLS FIRE ANTS & THE QUEEN: Ortho Orthene Fire Ant Killer1 is used as an fire ant killer outdoors to target the entire colony to control ants at the source
- THE ORTHO 2-STEP SYSTEM: For best results, first destroy existing mounds with Ortho Orthene Fire Ant Killer1; then, use Ortho Fire Ant Killer Broadcast Granules (sold separately) to control new mounds from forming for up to 6 months
- FAST-ACTING FIRE ANT TREATMENT: Fire ant granules begin killing in just 60 minutes so you can get back to enjoying your yard fast
- HOW TO USE: Simply sprinkle the fire ant granules for outdoors over each mound using amount specified on the product label, no watering-in needed; one 14 oz. bottle treats up to 189 fire ant mounds
- WHERE TO USE: Use this fire ant killer outdoors to kill fire ants on your lawn and around ornamental plants, including flowers, trees, and shrubs
Rank No. #4
Ortho Orthene Ant and Roach Killer - Provides Long-Lasting Insect Control, Bug Killer for Indoor and Outdoor Use, 1 lb.
- KILLS LISTED INSECTS: This odorless insect and ant killer powder controls ants, roaches, fleas, ticks, spiders, scorpions, stink bugs and other listed pests
- LONG-LASTING CONTROL: Ortho Orthene Ant & Roach Killer is a ready-to-use insect killer and cockroach killer dust that kills listed insects for up to 8 months
- NDOOR & OUTDOOR USE: Use our roach and ant killer outdoors or indoors; it's for residential use in and around homes, ornamentals, shrubs, and vegetable gardens
- WHERE TO USE: Use this pest control product indoors to treat cracks, crevices and other hiding and runway areas; apply outdoors as a perimeter treatment or to ornamentals, flowers and listed vegetable plants
- HOW TO USE: Application rates for Ortho Orthene Ant & Roach Killer vary by insect and area of use; please review all label directions before applying this ant and roach killer powder; no watering in needed
Rank No. #5
Ortho Orthene Fire Ant Killer – 12 oz – Outdoor Powder Kills Queen & Colony – Fast Lawn & Garden Treatment – No Watering Required (1)
- Kills Fire Ants Fast, Destroys the Queen – Ortho Orthene Fire Ant Killer targets the entire mound for total colony elimination; kills fire ants and prevents re-infestation.
- Outdoor Ant Killer for Lawns & Gardens – Effective fire ant killer outdoor treatment; works without watering, rain-resistant, and easy to apply directly to mounds.
- Powerful Formula, Trusted Brand – Same active ingredient used in professional pest control for ants and roaches; reliable performance compared to Amdro and Surrender fire ant killers.
- Multi-Purpose Insect Control – Works as ant killer indoor & outdoor solution for stubborn pests; helps eliminate ants, cockroaches (cucarachas), and termites.
- Value Pack of 4 Bottles (12 oz Each) – Great for large properties and repeated treatments; long-lasting results and simple application with built-in shaker top.
Rank No. #6
Ortho Orthene Ant Bait - Indoor Ant Killer, Kills the Queen and the Colony, 12 Bait Stations
- KILL ANTS AND THE QUEEN: Ortho Orthene Ant Killer Ant Bait solves ant problems by killing the queen and the colony; not labeled for use against fire, carpenter, and harvester ants
- PLACE ANT BAIT WHERE ANTS LIKE TO EAT: Set ant baits indoors in places such as along baseboards, in corners of rooms and cabinets, around pipes, in the pantry, on window sills, around doorways, and near garbage cans
- ATTACK ANTS AT THE SOURCE: These indoor ant bait stations are a sneak attack ants won't see coming - foraging worker ants find the bait then share it with the whole colony, and you see fewer ants in 3-7 days
- EASY SETUP, TOUGH ON ANTS: Just break ant bait stations apart and place stations label side down in places where you've seen indoor ants
- WHAT'S INCLUDED: This package of Ortho Orthene Ant Killer Ant Bait comes with 12 ant bait stations
Rank No. #7
Ortho Orthene Ant Barrier Granules - Ant Killer Outdoor Granules, Kills and Prevents Spiders and Other Insects for Up to 3 Months, 2.5 lb.
- EASY TO USE GRANULES: This insect killer is an easy-to-apply pest control that kills over 100 insects, including ants, beetles, centipedes, fleas, ticks, and spiders (refer to product label for a complete list of insects killed)
- INSECTICIDE KILLS LISTED INSECTS: Ortho Orthene Ant Barrier Granules kills and prevents ants, spiders, and other insects as listed for up to 3 months (see product label for complete list)
- HOW TO APPLY: To apply this outdoor ant killer, hold bottle parallel to the ground and shake side to side to dispense product; apply a 2-foot band around the home perimeter
- BUG KILLER COVERAGE: This 2.5 lb. container of Ortho Orthene Ant Barrier Granules treats up to 2,500 sq. ft.
- WHERE TO USE: Use this home insect control product on home perimeters and foundations to create a bug barrier against listed insects whenever signs of insect damage or activity appear
Rank No. #8
Ortho Orthene Ant and Roach Killer - Long-Lasting Insect Control, Indoor and Outdoor Use, Roach Killer Powder Dust, 1 lb. (2-Pack)
- FOR RESIDENTIAL USE: Our roach and ant killer is an indoor and outdoor insect killer for residential use in and around homes, ornamentals, shrubs, and vegetable gardens
- INSECTICIDE PEST CONTROL: This odorless insect killer controls ants, roaches, fleas, ticks, spiders, scorpions, stink bugs and other listed pests
- WHAT'S INCLUDED: This and and cockroach bug killer bundle includes two 1 lb. containers of Ortho Orthene Ant & Roach Killer
- 8 MONTH CONTROL: Ortho Orthene Ant & Roach Killer is a ready-to-use insect killer dust that works to kill listed insects for up to 8 months
- INDOOR & OUTDOOR USE: Use this pest control product indoors to treat cracks, crevices and other hiding and runway areas; apply outdoors as a perimeter treatment or to ornamentals, flowers and listed vegetable plants
Rank No. #9
Ortho Orthene Fire Ant Killer Broadcast Granules - Up to 6 Month Protection, Prevents New Fire Ant Mounds, 13 lb.
- PREVENTS NEW FIRE ANT MOUNDS: These fire ant killer outdoor granules prevent new fire ant mounds from forming; controls reinfestation of fire ants from neighboring areas when the entire lawn is treated
- FIRE ANT PROTECTION: Ortho Orthene Fire Ant Killer Broadcast Granules protects your entire lawn from fire ants for up to 6 months
- COVERAGE: Apply these outdoor ant killer granules with a Scotts spreader and water in after application; one 13 lb. bag treats up to 5,650 sq. ft. for broad coverage
- WHERE TO USE: Use this fire ant killer to make broadcast treatments to lawns - for outdoor use only
- FIRE ANT 2-STEP SYSTEM: Ortho Orthene Fire Ant Killer Broadcast Granules is part of the Ortho 2-Step System; use this product for broadcast treatment (Step 2) and mound treatment (Step 1) to kill existing colonies and the queen
Rank No. #10
Ortho Orthene Fire Ant Killer1, 12 oz. (2-Pack)
- Ortho Orthene Fire Ant Killer1 kills the queen and destroys the mound, treats up to 162 mounds and requires no watering-in to be effective
- KILLS IN MINUTES: This treatment takes only minutes to apply, and begins killing in just 60 minutes, so you can get back to enjoying your yard fast
- KILLS THE QUEEN & DESTROYS THE MOUND: Killing the queen of a fire ant colony is essential to effectively destroying the mound
- EASY APPLICATION: Simply sprinkle the product over each mound when ants are active and leave it to work its magic — no watering-in needed, see product label for complete instructions
- USE AS PART OF ORTHO 2-STEP SYSTEM: First, destroy existing mounds and their queens with Ortho Orthene Fire Ant Killer1; then, use Ortho Fire Ant Killer Broadcast Granules (sold separately) to prevent new mounds from forming for up to 6 months
Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of Ortho Orthene has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
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- Specifications: How powerful they are can be measured.
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