What is the most effective way to get rid of moles?

Set scissor/jaw-style traps on straight, active runs and check daily. This is the only consistently reliable control supported by university extensions. Repellents are temporary at best, and grub control helps only when grubs are abundant.

How do I find an active mole tunnel?

Step on a few straight run sections to flatten them and mark them. Check in 24 hours. The run that pops back up is active. Set your trap there, with the jaws aligned with the tunnel floor and the set covered to block light.

Do moles eat grubs or roots?

Moles eat earthworms first and grubs/insects second. They don’t eat plant roots. Plant damage is from tunneling and soil displacement, not feeding. If your plants are chewed, think voles or gophers, not moles.

Do castor oil mole repellents work?

Sometimes, temporarily. Liquid or granular castor oil, watered in per label, can push moles to the edges, especially when combined with trapping. Results vary, and moles often return once the soil dries or the scent dissipates.

Will killing grubs make moles leave?

Only if grubs are a major food source in your lawn. Because earthworms are usually the main course, grub-only tactics often don’t solve mole problems. Confirm grub levels first, then treat appropriately and time applications correctly.

Are sonic spikes or smoke bombs worth trying?

No. Sonic spikes, vibration stakes, smoke bombs, and home remedies like gum or mothballs don’t hold up in field results. Focus on trapping active runs. Use castor oil only as a helper if you want to steer survivors toward traps.

How to Get Rid of Moles in Your Yard: What Works, Fast

The short version

Moles don’t eat your plants—they eat earthworms and grubs. The lawn carnage comes from tunneling. If you want them gone, trap the active runs. Repellents are backup, not cures. Grub control helps only if you’ve actually got a grub buffet.

We’ve removed moles from our own and clients’ lawns with the same playbook below. No gatekeeping, no magic powder.

Step 1: Confirm it’s moles (not voles or gophers)

Moles: raised surface ridges and volcano-like mounds with a plugged center. No open holes. Soil is fine and pushed up.
Gophers: fan-shaped mounds with an off-center plug; big soil dumps. They eat roots—moles don’t.
Voles: dime/quarter-size open holes and chewed plants at ground level.

Seeing tiny mystery holes at night too? That’s usually insects or small critters—different fix. See Tiny Holes in Lawn at Night.

Step 2: Map active runs and set traps (the fix that works)

Tools that work:

Victor Out O’ Sight Mole Trap (scissor/jaw): $12–$18
Tomcat Mole Trap (scissor/jaw): ~$20
Wire-Tek EasySet Mole Trap (spear-style): ~$40

How to do it right:

Find straight, well-traveled runs between mounds or along edges (fences, walks). Avoid the random squiggles—they’re feeders.
Step on a few sections to collapse them. Mark them. Check in 24 hours. The run that pops back up is active.
Set the trap in the active straight run: cut a small slot, seat the trap jaws flush with tunnel floor, and cover to block light and wind.
Wear gloves, set firmly, and stake the trap so pets/kids can’t pull it up. Check daily; reset or move as needed.

Our results: we set three Out O’ Sight traps on straight runs and had a capture in 24 hours—twice. Trapping is boring, not hard.

Do repellents help? Sometimes, briefly.

Castor oil granules or liquids (e.g., Bonide MoleMax, ~${20} for concentrate) can push moles out short-term if you saturate and water in per label. Works best as a perimeter “pressure” after you’ve trapped.
Flooding, smoke bombs, and gas cartridges: low success and safety issues. Skip.
Ultrasonic/solar spikes: save your money. If sound scared moles, lawn crews would’ve solved this decades ago.
Folklore (chewing gum, mothballs, human hair): no.

Repellents can help you steer survivors into a trap line. Think “herding,” not “banishing.”

Should you kill grubs to stop moles?

Sometimes—but don’t make your soil a desert. Moles eat mostly earthworms, plus some grubs. If you have heavy grub damage, sure, address it. If not, killing grubs may do little, because worms remain the steak dinner.

Not sure if you have grubs? Start with White Grubs in Soil Identification.
If confirmed, see How to Get Rid of Grubs in Lawn Naturally for options like beneficial nematodes (~$30) and timing.
Conventional option: Scotts GrubEx (chlorantraniliprole), ~$25–$35 per 5–10k sq ft; apply per label and timing for your region.

The numbers that matter (what research says)

University extensions are crystal clear: trapping on active runs is the most reliable control. Repellents are inconsistent. Grub-only approaches often disappoint because earthworms are the primary mole food. Typical lawns have very few moles—often just 1–3 per acre causing all the damage. Sources: UC IPM Pests in Gardens “Moles” (https://ipm.ucanr.edu/PMG/PESTNOTES/pn74115.html); University of Missouri Extension G9444 “Controlling Moles” (https://extension.missouri.edu/publications/g9444).

Keep them from coming back (as much as possible)

Water smart: avoid daily shallow watering that balloons earthworms near the surface. Deep, infrequent watering is better for turf anyway.
Edge barriers for beds: 1/2-inch galvanized hardware cloth, 24 inches deep around high-value beds can deter tunneling into them.
Lawn care sanity: healthy turf tolerates tunneling better. If you see patchy decline, confirm it’s not disease or grubs first. If you suspect grubs, start with White Grubs in Soil Identification.
Re-trap fast: one new run? Drop a trap the same day. Moles are solitary; you’re usually not fighting an army.

Safety, legality, and when to call a pro

Always follow trap and product labels. Keep kids and pets away from set traps.
Mole baits (e.g., Talpirid) exist but carry pet risks if mishandled; we don’t recommend them in family yards.
Laws vary: some states regulate mole control methods. Check your state wildlife agency before using lethal controls.
If digging tunnels run under stone walls, slopes, or utility areas—or if you just don’t want to touch it—hire a wildlife control pro who traps moles regularly.

If you wake up to tunnels and mystery holes, also skim Tiny Holes in Lawn at Night—you may have more than one critter in play.