Grub Worm Damage in Cedar Park Lawns: Spotting It Before It Spreads
A Cedar Park lawn can go from green to dead in patches during mid-summer, and the cause is often hiding an inch below the surface. Grub worms feed on grass roots when it is hottest, and by the time the brown shows up, they have already been busy.
Grubs are the larval stage of beetles — June bugs and their relatives — that lay eggs in the lawn in early summer. The larvae hatch and start eating grass roots just as the Central Texas heat is peaking, which is the worst possible timing for a lawn already stressed by drought. Because they work underground, most homeowners do not notice a problem until patches of turf start browning and dying for no obvious reason.
The warning signs
The classic sign is irregular brown patches that spread and do not green up no matter how much you water — because the roots feeding that grass are gone. The tell that separates grubs from drought or fungus is simple: grab a handful of the dying turf and pull. If it lifts up like a loose carpet with little or no root holding it down, grubs have eaten the roots away. A second clue is more animal activity than usual. Birds pecking at the lawn, or armadillos and skunks digging it up at night, means something has decided your grass is full of food.
How to check
Confirming grubs takes two minutes. Cut a one-foot square of sod at the edge of a browning area, about two to three inches deep, and fold it back. Count the C-shaped white grubs in that square. A few are normal and not worth treating. Five or more in a square foot, especially in a lawn already thinning out, is a population worth acting on before it spreads across the yard.
Treating and recovering
Timing matters. Treatments work best on young, actively feeding grubs, so catching them in mid-summer is far more effective than waiting until fall when they have grown and burrowed deeper. Watering the treatment in helps it reach the root zone where the grubs are. Once the population is under control, the lawn needs help recovering — deep, less-frequent watering to rebuild roots, and in badly damaged spots, reseeding or re-sodding the bare patches. A healthy, well-watered lawn also resists grubs better the following year.
Grub damage spreads fast if it is ignored and slow to recover once it takes hold. Lopez Landscaping & Tree Service diagnoses and treats lawn pests, repairs damaged turf, and keeps Cedar Park yards healthy through the summer — bilingual service available so you always get a straight answer about what is wrong and what it takes to fix it.
Brown patches spreading across your lawn?
We diagnose grubs, chinch bugs, and lawn fungus, treat the problem, and restore damaged turf across Cedar Park and the surrounding area.