Holes in Flower Beds Overnight? Meet the Night Shift

Flower beds dug up overnight are almost always animals hunting food, not making homes: skunks and raccoons dig for grubs and worms in the soft soil, squirrels bury and retrieve nuts, cats use loose beds as litter boxes, and across the South armadillos root through beds nose-first. Each leaves a different style of hole, so one careful morning inspection usually names your visitor.

Most likely causes

  • Skunks — neat cone-shaped holes 1 to 3 inches across, many in one night
  • Raccoons — messier work: plants flipped, sod edges rolled back, deeper rummaging
  • Squirrels — small tidy divots near recently planted bulbs, often by day
  • Cats — shallow scrapes with soil raked over the spot, and droppings buried in the bed
  • Armadillos (South) — shallow 3- to 5-inch snout holes and uprooted plants

Compare the possible causes

Possible cause Key signs When it happens How likely
Skunks grubbing Precise, cone-shaped holes an inch or three wide, drilled nose-first, scattered across the bed, sometimes with a faint musky odor Overnight, spring through fall, worst when grubs are near the surface in late summer and early fall Very common
Raccoons Chaotic digging — annuals uprooted, mulch scattered widely, sod at the bed edge rolled back like carpet, container plants dumped Overnight, especially mid-summer through fall; often worse after rain softens the soil Common
Squirrels Small, tidy divots a couple of inches wide, often right where you just planted bulbs or in soft potting soil, with the soil flicked to one side Daytime, most intense in fall; freshly planted beds get hit within a day or two Very common
Cats Shallow scraped patches with soil pulled back over them, distinctive odor, and buried droppings you find with a trowel Any night or day; recurring in the same soft, dry, freshly cultivated spots Common
Armadillos Shallow holes 3 to 5 inches wide and 1 to 3 inches deep with loosened soil, plants nosed out of the ground, and similar holes in the lawn nearby Overnight, year-round in the South; more digging in warm, moist weather Less common

Visual clues to check

  • Read the digging style: many small neat cones = skunk; wholesale mess with flipped plants = raccoon; wide shallow scoops = armadillo
  • Check what's missing: eaten grubs leave empty holes; missing tulip bulbs with shredded husks point to squirrels
  • Look for covered scrapes and buried droppings — the cat signature
  • Sniff the bed in the morning; even a faint skunk odor is diagnostic
  • Smooth a patch of soil at dusk and check tracks at dawn: hand-like prints (raccoon), stubby clawed prints (skunk), deep three-toed prints (armadillo)
  • Note the timing: damage appearing during the day points to squirrels; overnight points to everything else
  • Lift a square foot of nearby turf and count grubs — more than a handful explains skunk and raccoon interest

The causes in detail

Skunks grubbing

A skunk works a flower bed like a careful surgeon: it smells a grub or worm, drills a small conical hole straight down with its nose and front claws, eats, and moves on. The result is many small tidy holes rather than one big mess, and mulch pushed aside in little cones. Lots of skunk holes are useful information — they usually mean the bed or nearby lawn has a healthy grub population worth checking.

Raccoons

Raccoons are after the same grubs and worms as skunks but have hands instead of a drill. They flip, roll, and rummage, so a raccoon visit looks like a burglary: plants tossed, mulch everywhere, edges of turf peeled back. A water feature, pond, or fresh sod nearby raises the odds. Damage that escalates night after night usually means the food supply below is substantial.

Squirrels

Fresh digging attracts squirrels — turned soil is easy to work, and to a squirrel your newly planted bed looks like another squirrel's cache worth raiding. Tulip and crocus bulbs are frequently dug and eaten (daffodils are usually left alone). If the holes appear during daylight and match your planting map, squirrels are your answer, and the fix is physical: netting or hardware cloth pinned over the bed until it settles.

Cats

Loose, dry, fluffy bed soil is exactly what outdoor and feral cats seek for elimination. The digging is shallow and always paired with covered waste, which distinguishes it from food-hunting. Beyond the annoyance, cat feces can carry toxoplasmosis, so wear gloves when working beds cats have used. Coarse mulch, closely spaced plantings, and short canes or chopsticks stuck upright make beds unappealing.

Armadillos

From Texas and Florida up through much of the Southeast, the nine-banded armadillo is a leading cause of overnight bed damage. It roots with its snout and powerful claws, testing many spots quickly, so damage covers a wide area in shallow scoops rather than a few deep holes. Armadillos may also dig genuine burrows — 7- to 8-inch entrances — under nearby shrubs, slabs, or sheds, which is when they graduate from nuisance to project.

When to worry

  • Digging escalating nightly with turf peeling up easily — a grub infestation is feeding the visits
  • A burrow entrance (not just foraging holes) appearing under an adjacent shed, stoop, or foundation planting
  • A skunk or raccoon active in broad daylight, staggering, or showing no fear of people — report it to animal control
  • Repeated cat waste in beds where children play or where you grow vegetables
  • Armadillo burrowing against slabs, AC pads, or footings, which can undermine them over time

What to do now

  1. Confirm the animal first with tracks, timing, and digging style — deterrents differ by species
  2. Address the buffet: if the grub count is high, treat the lawn's grub problem and the skunk and raccoon visits taper off on their own
  3. Pin chicken wire, hardware cloth, or plastic bird netting flat over newly planted beds; bulbs grow through, diggers give up
  4. Use coarse, chunky mulch and fill bare gaps with plantings — most of these animals prefer easy, open soil
  5. Try motion-activated sprinklers for raccoons, skunks, and cats; they're among the few deterrents with a decent track record
  6. Plant daffodils, alliums, and other unpalatable bulbs where squirrel raids are chronic
  7. For a denned skunk, persistent raccoon, or burrowing armadillo, hire a licensed wildlife control professional — trapping and relocation rules vary by state and are not a DIY afterthought

What not to do

  • Don't surprise or corner a skunk at night — flip on lights and make noise from the doorway before letting a dog out
  • Don't handle raccoon droppings you find while cleaning up; raccoon roundworm is a serious hazard — wear gloves and wash up
  • Don't scatter mothballs or homemade pepper mixes through beds; they're ineffective, and mothballs are illegal to use this way and toxic to pets
  • Don't garden bare-handed in beds cats have been using
  • Don't set leg-hold or live traps on a whim — unintended catches (including skunks) are common, and many states regulate wildlife trapping

Think you know the suspect?

These animals commonly cause this clue — see their full sign profiles:

Frequently asked questions

What digs small round holes in flower beds at night?

Many small, neat, cone-shaped holes appearing overnight are the classic sign of a skunk hunting grubs — it drills nose-first, eats, and moves on. If instead the bed looks ransacked, with plants flipped and mulch thrown around, a raccoon did the same hunting with less finesse.

Why do animals only dig in my beds and not the lawn?

Bed soil is loose, moist, and mulched, so it's the easiest digging on the property and often the richest in worms and grubs. Freshly planted or watered beds are even more attractive — turned soil smells like opportunity to squirrels and softens the work for everything else. A thick, compacted lawn takes more effort for the same meal.

How do I stop squirrels from digging up my bulbs?

Physical barriers beat repellents. Lay chicken wire or hardware cloth flat over the bed after planting and cover it lightly with mulch — shoots grow through the mesh in spring. Cleaning up planting debris (bulb husks smell like food), planting daffodils and alliums, and delaying planting until squirrels' fall caching frenzy ends all help too.

Are armadillo holes dangerous to my yard or house?

Foraging holes are shallow and cosmetic — annoying, easily raked out. The concern is when an armadillo digs an actual burrow, a 7- to 8-inch tunnel that can run under slabs, AC pads, or shed footings and slowly undermine them. Foraging you can tolerate or deter; a burrow against a structure is worth a call to a wildlife professional.