The best mole repellent for most lawns is Bonide MoleMax, castor oil granules that make treated soil unpleasant to feed in and move moles along rather than kill them. Read the damage first, though, because voles are a different animal and need Plantskydd instead. When a mole will not leave, the Victor Out O'Sight trap ends it.
Start with the animal, not the product. Moles are insectivores, related to shrews. They eat grubs, beetle larvae and earthworms, 70 to 100 percent of their body weight a day, and they do not eat bulbs or roots. Voles are rodents. They eat bulbs, roots and bark, and they move straight into a mole's tunnels, which is how the mole gets blamed for the tulips. A large share of what sells as mole repellent is aimed at the wrong animal for the damage in front of the buyer.
The two peak at different times, too. Moles are busiest in spring and fall, when soil is moist and worms sit near the surface. Vole damage peaks in late winter under snow cover, when they work unseen and bark is the only food left, and you do not see it until the melt. Fall is the season to act on both, before the ground closes and before the bulbs go in.
One thing before the list: we make digging tools, not repellents, so nothing here is ours. Each pick is judged on what its own label claims, what the extension literature supports, and whether it addresses the animal doing the damage.
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Best mole and vole repellents at a glance
| Product | Type | Best for | Where to buy |
|---|---|---|---|
Bonide MoleMax Granules, 10 lb (best overall) |
Castor oil granular | Moles in lawns and beds, lowest cost per bag | amazon, about $16 |
 Sweeney's S7002-2 Mole and Gopher Granules, 10 lb |
Castor oil granular | Large lawns and acreage | amazon, about $31 |
 Plantskydd Deer, Rabbit and Vole Granular, 3 lb |
Blood meal granular | Voles around bulbs and young bark | amazon, about $38 |
 Victor Mole and Gopher Repellent, 10 lb |
Castor oil granular | The value buy when MoleMax is out of stock | amazon, about $18 |
 Victor Out O'Sight Mole Trap 0631A |
Scissor jaw trap | When repellents do not hold | amazon, about $19 |
Mole or vole? Read the damage
Buy for the animal you have. The two leave signatures that are easy to tell apart, and getting this wrong is the most common reason a repellent seems to fail.
| What you are seeing | Mole | Vole |
|---|---|---|
| Raised ridges of soil snaking across the lawn | Yes, surface feeding runs | No |
| Cone shaped mounds of loose soil | Yes, spoil pushed up from deeper tunnels | No |
| Surface runways an inch and a half to two inches wide, grass clipped short | No | Yes, the classic sign |
| Open holes the size of a quarter, no mound | No | Yes |
| Bulbs hollowed out or gone | No, moles do not eat bulbs | Yes |
| Bark gnawed off the base of a young tree or shrub | No | Yes, usually under winter cover |
| Worst damage appears | Spring and fall | Late winter, visible when snow melts |
You can have both, and often do, because voles take over the tunnel network a mole built. Ridges plus chewed bulbs is two problems: castor oil for the mole, exclusion for the vole. Ridges alone mean the mole is the only tenant, and your bulbs were never at risk.
Do mole and vole repellents actually work?
Partly, and it is worth being precise about how. Castor oil is the active ingredient in nearly every granular mole repellent sold in the United States. The accepted explanation is that it coats the soil and the earthworms in it, making the mole's food unpalatable, so the mole leaves treated ground for untreated ground. It repels. It does not kill, and it does not clear a property.
Castor oil also sits on the federal list of minimum risk pesticide ingredients, which is why these products reach the shelf without the registration and efficacy review a conventional pesticide goes through. Penn State Extension's mole guidance puts it bluntly: there are no chemical repellents registered for use on moles, and the electronic and vibrating stakes sold alongside them have never been shown to work. Nebraska Extension is the kinder read, describing castor oil products as showing minor effectiveness against the eastern mole, with one trial holding activity down in a treated area for over 30 days.
So set the expectation correctly. A castor oil granule is a reasonable, low risk first move that often pushes moles out of the part of the yard you care about for a few weeks. It is a relocation, not a solution, and it needs reapplying. Repellents do even less for voles, because a hungry rodent in winter is not easily talked out of a bulb, which is why Penn State's vole guidance leads with exclusion and trapping.
How to apply castor oil granules so they hold
Confirm the mole is active first. Flatten a section of tunnel with your foot, mark it, and check in 24 hours. If it has been pushed back up, that run is in use. If nothing moves in a day or two, the mole has already gone.
Then treat area, not tunnels. These are broadcast products, so spread the granules over the whole zone you want protected rather than dribbling them along the ridges, and water them in so the oil reaches the root zone where the worms are. A quarter to half an inch is enough. Re-treat the perimeter as well, since untreated boundary ground is how a mole walks back in.
Reapply after heavy rain and on the label's schedule through the active season. Existing ridges stay visible either way, because a ridge is a hole in the soil, not a living thing. Firm them down with your foot once the mole has moved on.
How to keep voles off bulbs and bark
Voles are a habitat problem before they are a product problem, and their home range is small, usually a quarter acre or less. Take away the cover and most of the pressure goes with it. Mow into the fall, cut back tall grass and weedy edges next to beds, and pull mulch a full two feet back from trunks, which is Penn State's spec and far more than the few inches most people clear, since a mulch collar against bark is a vole tunnel with a roof. Our guides on mulching leaves and winterizing the garden cover the fall cleanup that does this work anyway.
For bark, use quarter inch hardware cloth. Penn State's spec is a cylinder 18 to 24 inches high around the trunk, buried four to six inches so voles cannot burrow under, sized loose enough for several years of growth.
For bulbs, the same mesh is the only thing that reliably works: dig the hole wider than you need, line the bottom and sides, backfill, and lay a piece over the top before the last few inches of soil. That is more digging than a trowel wants to do, and our D-handle garden spade opens a clean sided hole at bulb depth in one pass. Depth and spacing are in our guides to bulbs to plant in fall and planting tulip bulbs.
Two more levers. Plant what they will not eat: daffodils are toxic to rodents and get left alone, so interplanting them among tulips gives incidental protection, and a bed of daffodils is the low effort answer in a vole heavy yard. And trap, which extension guidance rates above repellents for voles. Set mouse sized snap traps perpendicular to a runway or at a burrow opening, bait with peanut butter and oatmeal or apple, and cover each with an inverted box so pets and birds stay out. Fall and late winter are when voles are easiest to catch.
When to treat, by season
- Early fall. Castor oil granules go down while the soil is warm and moist and moles feed near the surface. Cage bulbs now, because you are digging anyway.
- Late fall. Cut cover, pull mulch off trunks, and set trunk guards before the first snow.
- Winter. Nothing to apply. The damage is happening under the snow.
- Spring. Repair runways and ridges, re-treat as moles return to the surface, and trap if one survived the fall program.
The best mole and vole repellents, by job
Four granulars and one trap. Three are castor oil and differ mainly on price and area covered, one is for voles, and the trap is what you buy when the repellents have had their chance.
1. Bonide MoleMax Granules, 10 lb: best mole repellent overall
Bonide MoleMax is a ready to use castor oil granule for moles and voles, and it is the default here because it does the standard job at the lowest price of the granulars, about $16 for the 10 pound bag. Bonide sells it as safe for people and pets when used as directed, and it spreads by hand or by hopper. Where it loses: it is a displacement product, so a mole pushed out of the front lawn can reappear in the back, and it needs watering in and reapplying after heavy rain. Check the coverage rate on the bag against your own square footage, because these products differ far more on area per bag than on chemistry.
2. Sweeney's S7002-2 Mole and Gopher Granules, 10 lb: best for large lawns
Sweeney's S7002-2 is the same castor oil approach from a brand that has sold mole control for decades, about $31 for the 10 pound bag. The reason to pay roughly twice the Bonide is the area the label says one bag treats, which is the number that matters once you are covering an acre rather than a city lot. Where it loses: on a small yard you are buying coverage you will not use, and Sweeney's sells poison bait worms under the same brand, a different product with a different risk profile that is not what is recommended here. Like every castor oil granule, it moves moles rather than removing them.
3. Plantskydd Deer, Rabbit and Vole Granular, 3 lb: best vole repellent
Plantskydd granular is blood meal based, and the label positions it for voles along with deer and rabbits. Its stated mechanism is the right one for bulbs: it works by odor rather than taste, so the animal avoids the area instead of learning after the first bite, which is cold comfort once the tulip is hollow. Apply at planting, around the bed edge and over the backfilled hole, and reapply on the label's schedule. It runs about $38 for the 3 pound jug, the highest cost per pound here. Where it loses: it smells like what it is for a day or two, dogs find it interesting, and no repellent beats a hardware cloth cage on a bulb that matters.
4. Victor Mole and Gopher Repellent, 10 lb: best value castor oil alternative
Victor Mole and Gopher Repellent is another 10 pound castor oil granule, about $18, and it is here because mole repellent sells out in fall and it is worth knowing the interchangeable option. Same chemistry, same watering in, same expectations. Where it loses: nothing separates it from the Bonide except price and availability on the day you shop. If both are in stock at similar prices, buy whichever gives you more treated square feet per dollar.
5. Victor Out O'Sight Mole Trap 0631A: best mole trap for when repellents do not hold
The Victor Out O'Sight is a steel scissor jaw trap that sets down inside a deep main runway, out of sight of children and dogs, about $19. Extension guidance is consistent that trapping outperforms poison bait for moles, because an insect eater does not readily take a grain based bait. Use the 24 hour test to find an active run, then set there rather than in a surface ridge. Where it loses: it kills, which is a decision rather than a detail, placement takes a couple of attempts to learn, and a few states restrict body gripping traps, so check your rules first. The Tomcat mole trap, about $23, is the alternative if you would rather set from above ground.
How to choose a mole or vole repellent
- Identify the animal first. Ridges and mounds are moles, and moles never eat bulbs. Narrow surface runways, quarter sized holes, chewed bulbs and gnawed bark are voles.
- Match the mechanism. Castor oil works through the mole's food supply, which is why it does little for a rodent. Odor repellents and exclusion are the vole tools.
- Buy on coverage, not brand. The castor oil granules are chemically similar, so compare treated square feet per dollar.
- Have a plan B ready. If two rounds of granules have not moved the mole, a trap is the next step, and nothing else works better.
Frequently asked questions
What is the best mole repellent?
Bonide MoleMax, a ready to use castor oil granule, at about $16 for a 10 pound bag. Castor oil is the only repellent class extension sources credit at all, and they rate the effect minor. It works by making the soil and the earthworms in it unpalatable, so moles relocate. Expect it to push moles out of treated ground for a few weeks at a time, not to clear your property permanently.
Do castor oil mole repellents actually work?
Sometimes, and only as displacement. Castor oil is a federally listed minimum risk pesticide ingredient, so these products are sold without the efficacy review a conventional pesticide receives, and field results in the extension literature are mixed. Penn State Extension notes there are no chemical repellents registered for use on moles, and that electronic, magnetic and vibrating stakes have never been proven effective. Water granules in, re-treat the perimeter, and reapply after heavy rain.
How do I tell whether I have moles or voles?
Read the damage. Moles leave raised ridges snaking across the lawn and cone shaped mounds of loose soil, and they eat grubs and earthworms, never bulbs or roots. Voles leave surface runways an inch and a half to two inches wide with the grass clipped short, open holes about the size of a quarter with no mound, hollowed out bulbs, and bark gnawed off young trunks. Voles will also move into tunnels a mole dug, so you can have both at once.
What keeps voles from eating tulip bulbs?
Quarter inch hardware cloth is the only reliable answer. Line the planting hole on the bottom and sides, backfill, and lay a piece over the top before the final few inches of soil. Back that up by cutting the grassy cover next to the bed, pulling mulch two feet back from trunks, and interplanting daffodils, which are toxic to rodents and get left alone. Repellent granules applied at planting help but do not replace the mesh.
Do ultrasonic or vibrating mole stakes work?
There is no evidence that they do. Penn State Extension states that no electronic, magnetic or vibration device promoted for frightening or repelling moles has been proven effective, and moles habituate quickly to a steady noise in the soil. Spend the money on castor oil granules and, if those fail, on a trap.
How do I get rid of moles in my yard?
Work in order. Confirm the run is active by flattening a section of tunnel and checking it 24 hours later, spread castor oil granules over the whole area rather than along the ridges and water them in, then set a trap in an active main runway if two rounds of granules have not moved the mole. Skip the grub killer. Earthworms, not grubs, are the bulk of a mole's diet, so treating for grubs takes out part of the food supply and leaves the mole tunneling for the rest.
The bottom line
Diagnose before you buy. If you have ridges and mounds, spread Bonide MoleMax, water it in, and set a Victor Out O'Sight trap if two rounds do not move it. If bulbs are disappearing and bark is chewed, that is a vole, and the order is cover removal, hardware cloth, Plantskydd, then snap traps. Doing the right one is worth more than spending more.
