Fire ants are a fact of life in Texas. If you've lived here long enough, you've probably stepped near a mound, felt that distinctive burning sting, and immediately regretted every decision that led to that moment. But just because fire ants are common doesn't mean you have to share your yard with them indefinitely.

Here's what actually works for fire ant control in Texas — and what's mostly a waste of time and money.

Why Fire Ants Are Such a Problem in Texas

The red imported fire ant (Solenopsis invicta) isn't native to Texas. It arrived from South America in the 1930s and has been making itself at home ever since. Texas has essentially ideal conditions for fire ants — warm temperatures, mild winters, and plenty of disturbed soil. They thrive in lawns, pastures, roadsides, and anywhere else they can establish a colony.

Fire ant colonies can contain hundreds of thousands of workers and multiple queens. A single acre of Texas land can support dozens of mounds. And unlike some pests that stay hidden, fire ants are aggressive defenders of their territory. Disturb a mound and they respond fast.

What Fire Ant Mounds Look Like

Fire ant mounds are dome-shaped piles of loose soil, usually without a visible opening at the top. The ants enter and exit through underground tunnels. Mounds can range from a few inches to over a foot tall, depending on colony size and soil conditions. After rain, mounds often appear or become more visible as ants rebuild.

Fire ant mounds in lawns are not just a nuisance — they can damage mowing equipment, create tripping hazards, and make outdoor areas uncomfortable or dangerous, especially for children, pets, and people with allergies to fire ant stings.

The Two-Step Method for Fire Ant Control

Texas A&M AgriLife Extension recommends the Two-Step Method as the most effective approach for controlling fire ants across a lawn or property. It's called two-step because it involves two different types of treatments used together.

Step 1: Broadcast Bait

The first step is applying a fire ant bait product across the entire treatment area — not just on individual mounds. Fire ant bait contains a slow-acting insecticide mixed with an attractant that worker ants carry back to the colony and share with the queen. Because the bait is slow-acting, the colony doesn't recognize it as a threat before it's already been distributed throughout the nest.

Bait is most effective when:

• Applied when fire ants are actively foraging — typically when soil temperatures are between 70°F and 90°F
• The ground is dry and no rain is expected for 24 to 48 hours
• The bait is fresh (old bait loses its attractiveness)
• Applied in late afternoon or early evening when ants are most active

Broadcast bait is not a same-day fix. It typically takes two to six weeks to see significant colony reduction. That's the trade-off for its effectiveness — it works by letting the ants do the work for you.

Step 2: Individual Mound Treatments

The second step is treating individual mounds that need faster control — near high-traffic areas, playgrounds, pet areas, or anywhere immediate action is needed. Individual mound treatments include contact insecticide drenches, granular products, or mound injections.

Individual mound treatments work faster than bait but don't provide the same broad coverage. That's why the two-step approach combines both — bait for broad, long-term control across the property, and individual treatments for problem mounds that need faster attention.

Common Fire Ant Control Mistakes

Only Treating Visible Mounds

Treating only the mounds you can see ignores the colonies you can't see yet. Fire ant colonies can be active underground before a visible mound appears. Broadcast bait addresses the whole population, not just the ones that have already built a visible structure.

Using Boiling Water

Pouring boiling water on a fire ant mound is a popular home remedy. It can kill ants it directly contacts, but it rarely reaches the queen deep in the colony, it can damage your grass and soil, and it doesn't address the rest of the population. It's also genuinely dangerous to carry a pot of boiling water across your yard.

Disturbing the Mound Before Treating

Disturbing a fire ant mound before applying treatment can cause the colony to scatter and relocate, making control harder. Treat mounds without disturbing them first.

Applying Bait in the Wrong Conditions

Bait applied to wet ground, during rain, or when ants aren't actively foraging is largely wasted. Timing matters with fire ant bait.

How Often Should You Treat for Fire Ants?

Fire ant pressure in Texas is ongoing. Even after successful treatment, new colonies can move in from neighboring properties. Most lawn care professionals recommend treating at least twice a year — typically in spring and fall — to maintain control. Properties with high fire ant pressure may benefit from more frequent treatment.

Fire Ant Control as Part of Professional Lawn Care

Committed Lawn Care provides pest control services including fire ant treatment for lawns in New Braunfels and surrounding Central Texas communities. If fire ants are taking over your yard, we can help develop a treatment plan that fits your property.

Call or text Committed Lawn Care at 512-222-9122.