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For a typical, non-stinging ant hill in the lawn, start by leaving it alone if it is not causing a problem. If it is in the way, rake it flat or wash the soil into the surrounding grass with a forceful garden-hose stream; this removes the visible mound but may not eliminate the colony. Fire ants need a different, species-specific approach, and any pesticide used near vegetables must be labeled for that crop and site.
Should you get rid of the ant hill?
A mound does not automatically mean your yard needs treatment. Iowa State University Extension says most soil-nesting ants do not require control. Consider action when a mound interferes with mowing or use of the yard, or when ants are disturbing a vulnerable plant. First determine whether the ants sting: fire-ant advice and treatments differ from routine lawn-mound management.
How to get rid of ordinary ant hills in a lawn
Flatten the mound for a mowing or appearance problem
For an above-grass mound, rake the soil flat or use a forceful stream from a garden hose to wash it into the surrounding lawn. This is a low-impact way to manage the visible mound, not a reliable way to kill the colony. Repeat if ants rebuild. Iowa State Extension recommends nonchemical management first and treats insecticide as a last resort. Iowa State Extension’s guidance on ant mounds describes these methods.
Reserve pesticide for a real need
If flattening is not enough and the mound is causing a meaningful problem, use only a product whose current label covers the target ant, the exact site, and the application method. Apply it only as directed. Do not treat the whole lawn merely because a few ordinary mounds are visible; the cited Iowa guidance supports spot treatment only as a last resort.
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- SAY GOODBYE TO BUGS: TERRO Ant Killer Plus kills ants, fire ants, roaches, fleas, crickets, earwigs, millipedes, mites, palmetto bugs, silverfish, sow bugs, and more
- QUICK RESULTS: The powerful insect killing granules kill listed insect pests within 24 hours of contact while also providing residual repellency
- OUTDOOR USE ONLY: These insect killing granules are for outdoor use only. Apply the granules as band treatment around house foundations and on lawns, or as a spot treatment on ant hills
- EASY TO APPLY: The resealable shaker bag design allows for convenient application. There's no chemical spreader or broadcaster required
- GREAT VALUE: The shaker bag holds 3 pounds of insecticide granules
How to get rid of ants in a vegetable garden
In Iowa State Extension’s account, ants do not eat plant roots, but their excavation can expose transplant roots to air and drying. If a transplant is threatened, focus any necessary treatment around that plant rather than treating the entire garden. Check that the pesticide label expressly permits use on the crop and site, and follow its directions, including any harvest interval.
Do not assume a lawn or turf treatment is suitable for vegetables. Mississippi State University Extension warns against using acephate mound treatments in vegetable gardens because acephate is systemic and can move into plant tissues. See Mississippi State Extension’s fire-ant guidance for home vegetable gardens and follow the current product label.
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- Ant bait controls 25 species of ants like acrobat ants, Argentine ants, carpenter ants, crazy ants, nuisance ants, odorous house ants, pavement ants, Pharaoh ants, and more
- Use this outdoor ant killer any time ants are active; for best results during hot weather, apply in cool early morning or early evening; do not apply to wet ground or grass, before rain within 24 hours, or below 50°F
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What to do if the ants may be fire ants
Identify the ants before choosing a treatment, and use regional fire-ant guidance for your location. Where fire ants occur, bait-based control and direct mound treatment serve different purposes. Mississippi State Extension describes granular bait as the foundation of home-lawn control, with mound treatment as follow-up for surviving mounds. North Carolina State Extension explains that bait works when foraging ants carry it back to the colony, so it takes longer than direct-contact treatment.
| Approach | What it does | Timing and scope | Key limitation |
|---|---|---|---|
| Fire-ant bait | Foragers carry bait back to the colony. | Slower to act; broadcast bait may address colonies across a lawn when the label permits. | Placement, weather, and site must meet the label. Do not put bait directly on a mound unless the label specifically directs it. |
| Direct mound treatment | Targets a visible mound. | Liquid mound treatments may act more quickly than bait; useful as follow-up for surviving mounds in the cited Mississippi guidance. | Does not necessarily address other colonies in the lawn. Product and site restrictions vary; do not assume it is permitted around edible crops. |
These methods are not interchangeable across products. Check the current label for the intended site and application conditions. For regional detail, consult Mississippi State Extension’s home-lawn guidance, its yard-control guidance, and North Carolina State Extension’s landscape guidance.
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- 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
What not to do—and when to get help
Avoid pouring boiling water on a mound or digging it out with a shovel as a casual fix. Tennessee Extension warns that these methods can endanger the person applying them as well as plants, people, or animals nearby. Keep children and pets away from treated areas as the pesticide label directs. For a fire-ant infestation that is extensive or persistent, consult local extension guidance or a qualified pest-control professional.
For details on turf and landscape treatment options, see North Carolina State Extension’s fire-ant guidance for lawns and landscapes and Tennessee Extension’s home and garden fire-ant treatment guidance. Product registrations and permitted uses can change, so follow the current label rather than relying on an older recommendation.
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- FAST-ACTING FIRE ANT TREATMENT: This insect control product kills fire ant mounds in 15 minutes when used as an fire ant killer outdoors
- KILLS FIRE ANTS & THE QUEEN: Ortho Fire Ant Killer Mound Treatment1 ant granules kill mounds and the queen, and keep new mounds from forming
- WHERE TO USE: Use these fire ant granules for outdoors to kill fire ants on residential lawns and on ornamentals and flower gardens
- WHEN TO APPLY: Apply this fire ant mound killer outdoors when temperatures are between 65°F to 80°F, or early in the morning or late evening when ants are most active
- HOW TO USE: To use this 3 lb. bag of Ortho Fire Ant Killer Mound Treatment1, apply 2/3 cup of ant killer outdoor granules to mounds and surrounding 3-ft. diameter and drench with 2 gallons of water
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- Ant Killer Outdoor Effective for up to 4 Weeks: Neudorff's ant bait lures insects from hiding places and plants. Home perimeter treatment attracts and kills insects outside so they don’t come inside.
- Proven Insect Ant Killer Outdoor: Kills foraging ants, sweet-feeding ants, pavement ants, moisture ants, little black ants, Argentine ants, crazy ants, acrobat ants, bigheaded ants, cornfield ants, ghost ants, odorous house ants, thief ants, Texas leafcutting ants, field ants, and other common ants (excluding fire ants, harvester ants, Pharaoh’s ants and carpenter ants), earwigs, cutworms, sowbugs, pill bugs, and crickets.
- 1lb Treats up to 2,000 Sq. Ft.: Keeps listed ants out of the house by using Neudorff Ant Killer & use around the Perimeter of Homes, Structures, Gardens, Landscaped areas, listed vegetables, listed fruit trees, listed citrus, listed berries, ornamentals, shrubs, flowers, trees, lawns, gardens, and in greenhouses.
- For Organic Gardening & People and Pets Can Enter Treated Area after Ant Bait Outdoor Is Applied
- Highly compressed granules (pellets) formulation is easy to use, clean to handle, and economical. Ants Killer Outdoor contains Spinosad, which is derived from a soil dwelling bacterium
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