Holes in Lawn With Dead Grass Around Them: What It Means

When holes and dead grass show up together, the dead grass is usually the underlying story: grubs kill turf roots and then skunks, raccoons, and birds dig holes going after them, while vole runways, yellowjacket ground nests, and dog urine spots each pair dying grass with their own style of hole. Figure out whether the grass died first or the digging came first, and the diagnosis usually follows.

Most likely causes

  • Grubs plus diggers — browning turf that peels up, pocked with foraging holes
  • Yellowjacket ground nest — a single busy hole with a halo of thinning, dying grass
  • Voles — dead-grass trails and clipped runways connecting small open holes
  • Dog urine and digging — round dead spots with dark green edges, plus scattered dig marks

Compare the possible causes

Possible cause Key signs When it happens How likely
Grub damage plus foraging animals Irregular brown patches where turf lifts like loose carpet, covered in cone-shaped holes or rolled-back sod flaps that appeared overnight Damage peaks in late summer and early fall, with a smaller round in spring as overwintered grubs resume feeding Very common
Yellowjacket ground nest One hole, roughly quarter- to golf-ball-size, with steady insect traffic and a surrounding patch of thin, yellowing, or dead grass Colonies build all summer and peak in August and September Common
Vole runways Narrow trails of dead, clipped-to-the-crown grass, about 1 to 2 inches wide, snaking between inch-wide open holes Created year-round but most dramatic at snowmelt, when a winter's worth of hidden runways is revealed at once Common
Dog urine spots and digging Round dead patches a few inches to a foot across, often with a ring of extra-dark green grass around each, plus separate ragged dig marks with thrown soil Any season; urine spots show fastest in summer heat and on dry lawns Common

Visual clues to check

  • Do the carpet test first: dead turf that peels up with no resistance means grubs; turf that holds firm points elsewhere
  • Count larvae under a lifted square foot — more than a handful of white C-shaped grubs confirms the grub-plus-digger scenario
  • Watch any suspect hole from 15 feet on a warm afternoon: steady insect traffic means yellowjackets, full stop
  • Trace the dead grass shape: trails and lines suggest voles; patches and circles suggest grubs or urine
  • Look for the dark green halo: a lush ring around each dead circle is the urine-burn signature
  • Note what appeared first if you can — grass dying before any holes points to grubs or urine; holes with grass dying after points to a nest or runways
  • Check the calendar: overnight excavation in September screams grubs; a revealed trail network in March screams voles

The causes in detail

Grub damage plus foraging animals

This is the classic one-two punch: white grubs (beetle larvae) chew through grass roots below, the turf browns and detaches, and then skunks, raccoons, and birds excavate the weakened lawn to eat them. The holes and the dead grass have the same cause, one step apart. The confirming test takes two minutes — grab a handful of the dead turf and pull. If it peels up rootlessly and you can count C-shaped larvae underneath, you've found both the killer and the reason for the digging.

Yellowjacket ground nest

A mature yellowjacket colony underground can hold thousands of workers, and their constant excavation, trampling traffic, and the expanding nest cavity below stress the turf around the entrance — producing a telltale ring of declining grass around one very busy hole. This is the highest-stakes item on this list: mowing over the entrance is the most common trigger for mass stings. Diagnose it from distance by traffic alone; never by getting close.

Vole runways

Voles eat the grass itself, clipping blades to the crown along their travel routes, so their damage reads as dead paths connecting holes rather than dead patches around holes. Late winter reveals the worst of it: a maze of tan trails, scattered droppings, and tidy burrow openings across an otherwise green-ready lawn. It looks alarming but the grass crowns usually survive — most runway systems green back over within several weeks of spring growth.

Dog urine spots and digging

Concentrated dog urine burns grass with excess nitrogen — a dead center with a fertilized dark-green halo is its fingerprint — and a bored or scent-triggered dog adds real holes on top. Together they can mimic pest damage convincingly. The pattern breaks the tie: urine spots cluster where the dog is released into the yard, the dead grass doesn't lift like carpet, and there are no larvae underneath. The fix is management (watering spots promptly, a designated potty zone), not pest control.

When to worry

  • Any hole with steady insect traffic near play areas, patios, or your mowing route — treat as an active yellowjacket nest
  • Dead patches expanding week over week with turf detaching, which means grubs are still feeding
  • Nightly animal excavation tearing up large areas — raccoons in a grub-rich lawn can destroy hundreds of square feet
  • Vole runways converging on young trees, with bark gnawed at the base
  • Dead zones with no grubs, no insects, no pattern — persistent unexplained dieback is worth a soil or disease check

What to do now

  1. Work through the tests in order — traffic watch, carpet tug, grub count — before spending anything on treatment
  2. For confirmed grubs, improve the lawn's resilience (taller mowing, deep infrequent watering, fall overseeding) and consider biological controls; healthy turf tolerates a surprising grub load
  3. Rake out and reseed grub-damaged and animal-dug areas in early fall or spring once feeding has stopped
  4. For voles, remove the cover — mow short in late fall, dethatch, pull mulch off trunks — and reseed the runways; most recover on their own
  5. Water dog urine spots deeply as soon as possible after they happen, and rake in seed on spots that stay dead
  6. Flag a suspected yellowjacket entrance from a distance, keep everyone (and mowers) away, and have a licensed pest control professional eliminate it
  7. If the diggers have already shredded a large area, fix the grub problem first, then repair — repair alone gets re-dug within days

What not to do

  • Don't mow or string-trim near a hole until you've watched it for insect traffic — vibration triggers mass yellowjacket stings
  • Don't pour gasoline or boiling water into a ground nest; both are dangerous, kill the surrounding lawn, and often fail
  • Don't apply grub insecticide as a guess — wrong timing wastes the treatment, and many browned lawns have no grubs at all
  • Don't re-sod over active grub feeding; the new roots become the next course
  • Don't assume dead grass around a hole means the hole's occupant killed it — correlation runs the other way as often as not

Frequently asked questions

Why is the grass dead around holes in my lawn?

Usually the grass died first. Grubs sever turf roots, the patch browns, and animals then dig holes there hunting the grubs — so the holes mark the damage rather than causing it. The exceptions are yellowjacket nests, where colony traffic kills a halo of grass around one busy hole, and vole runways, where the animal eats the grass itself along its trails.

How do I check whether grubs are killing my lawn?

Pull on the dead turf. Grub-killed grass detaches like a loose doormat because its roots are gone; you can often roll it back by hand. Underneath, count the white, C-shaped larvae in a square foot — a handful is normal, while ten or more in a struggling lawn means grubs are the driver. Firmly rooted dead grass sends you toward urine burn, disease, or drought instead.

Will the dead trails from voles come back in spring?

Almost always. Voles clip grass blades down to the crown along their runways, but the crowns — the growing points — typically survive winter. Rake out the debris, overseed the worst stretches, and the network usually greens over within a few weeks of active spring growth. The lasting vole concern is gnawed bark on young trees, not the lawn.

Can dog urine really look like pest damage?

Convincingly. Each concentrated urination burns a round dead spot, often ringed with darker green where diluted nitrogen fertilized the edge, and a dog that also digs adds holes to the picture. The tells: spots cluster near the door or a favorite corner, the dead turf stays firmly rooted, and no grubs turn up underneath. Prompt deep watering after urination prevents most new spots.

Related yard clues

Yard Holes Shallow Divots in Lawn: Foraging Damage Decoded Shallow divots — little scoops that stop within an inch or three of the surface — are foraging marks, not burrows: squirrels caching and retrieving nuts, skunks drilling for grubs at night, birds probing at dawn, or a dog freelancing. Because three of those four are hunting grubs, a lawn suddenly covered in divots is often really a message about what's living under the turf. Read the guide → Yard Holes Tunnels in Grass: Mole or Vole? How to Tell in Seconds Tunnels in a lawn come in two distinct styles: raised, spongy ridges you can feel underfoot are mole feeding tunnels just below the surface, while flat, worn trails clipped into the grass itself are vole runways. Moles hunt worms and grubs under your turf; voles eat the grass and bark on top of it — so telling them apart decides everything about what to do next. Read the guide → Yard Holes Small Holes in Yard With No Mound: What's Digging? Small holes in your yard with no dirt mound are usually caused by squirrels, chipmunks, foraging birds, earthworms, or ground-nesting insects. The size of the hole, how deep it goes, the time of year, and whether the damage appeared overnight can narrow down the cause quickly. Read the guide →

Still not sure? Compare with these clues

Lawn Problems Brown Patches in Grass: How to Read What Killed the Turf Brown patches in your grass are most often caused by fungal disease, white grubs eating the roots, dog urine, or summer drought dormancy. The pattern is the diagnosis: circles point to fungus, turf that lifts like carpet points to grubs, and small spots ringed with dark green grass point to dog urine. Read the guide → Lawn Problems Grass Torn Up in Patches Overnight: Who's Digging and Why Grass torn up in patches — especially damage that appears overnight — is almost always an animal digging for grubs under your turf. Raccoons flip and roll back chunks of sod, skunks drill small cone-shaped holes, and crows peck and pull tufts by day. The digger is the symptom; the grubs underneath are the cause. Read the guide → Lawn Problems Yellow Spots in Lawn: Urine, Fertilizer, or Something Fungal? Yellow spots in a lawn most often come from dog urine, fertilizer burn, lawn rust, iron deficiency, or overwatering. Scattered spots with green rings point to a dog; stripes or spots that match your spreader pattern point to fertilizer; orange dust on your shoes points to rust fungus. Read the guide → Lawn Problems Spongy Lawn That Lifts Up? Grubs, Thatch, or Moles Below A lawn that feels spongy underfoot or lifts up like carpet usually means one of three things: white grubs have eaten the roots, a thick thatch layer has built up under the grass, or moles are tunneling just beneath the surface. A simple tug on the turf and a look underneath will tell you which one you're dealing with. Read the guide →