Groundhog repellents can be effective when you choose the right product and apply it correctly. The best groundhog repellents use scent, taste, or motion to create an environment that groundhogs actively avoid. Here are the top 7 groundhog repellents proven to work in 2026.
- Best overall: Bonide Repels-All Granules deliver broad-spectrum animal repellent protection that lasts through rain.
- Best spray: Nature’s MACE Rodent Repellent provides a powerful plant-based formula that groundhogs avoid.
- Best motion-activated: Havahart Critter Ridder Sprinkler startles groundhogs with a sudden burst of water.
- Longest lasting: I Must Garden Groundhog Repellent offers season-long protection with proper application.
- Eco-friendly: Liquid Fence Deer and Rabbit Repellent works on groundhogs using natural ingredients.
Quick Comparison
| Product | Type | Active Ingredient | Coverage | Buy |
|---|---|---|---|---|
| Bonide Repels-All | Granules | Putrescent Egg Solids | 3 lbs covers 1,500 sq ft | Check price |
| Nature’s MACE | Spray | Essential Oils | Concentrate 4,000 sq ft | Check price |
| Critter Ridder Sprinkler | Motion | Water (physical) | Up to 35 ft range | Check price |
| I Must Garden | Spray | Essential Oils | Concentrate 2,000 sq ft | Check price |
| Liquid Fence | Spray | Egg Solids/Garlic | Concentrate 4,000 sq ft | Check price |
| Shake-Away | Granules | Fox Urine | 1 lb covers 250 sq ft | Check price |
| Ultrasonic Repellent | Electronic | Sound Waves | 7,500 sq ft per stake | Check price |
Best Overall: Bonide Repels-All Granules
Best Overall- Type
- Granular repellent
- Active ingredient
- Putrescent egg solids
- Coverage
- 3 lbs covers 1,500 sq ft
Bonide Repels-All Granules are the top choice for homeowners seeking reliable groundhog repellent coverage. These ready-to-use granules create a scent barrier that groundhogs find offensive.
Best Spray: Nature’s MACE Rodent Repellent
Best Spray- Type
- Spray concentrate
- Active ingredient
- Essential oils
- Coverage
- 4,000 sq ft per bottle
Nature’s MACE uses a plant-based formula that creates an intolerable sensory experience for groundhogs. This concentrated spray covers up to 4,000 square feet per bottle when mixed correctly.
Best Motion-Activated: Havahart Critter Ridder Sprinkler
Best Motion-Activated- Type
- Motion-activated sprinkler
- Coverage
- Up to 35 ft detection range
The Havahart Critter Ridder uses motion detection to deliver a startling burst of water that scares groundhogs away. This chemical-free approach is highly effective for protecting specific areas.
Best Long-Lasting: I Must Garden Groundhog Repellent
Best Long-Lasting- Type
- Spray concentrate
- Active ingredient
- Essential oils
- Coverage
- Concentrate 2,000 sq ft
I Must Garden formulates a species-specific repellent that targets groundhogs directly. This concentrated spray uses a proprietary blend of essential oils and natural ingredients.
Best Eco-Friendly: Liquid Fence Deer and Rabbit Repellent
Best Eco-Friendly- Type
- Spray concentrate
- Active ingredient
- Egg solids and garlic
- Coverage
- Concentrate 4,000 sq ft
While marketed for deer and rabbits, Liquid Fence is surprisingly effective against groundhogs. Its powerful putrescent egg and garlic formula creates a strong odor barrier.
Best Natural Scent: Shake-Away Fox Urine Granules
Best Natural Scent- Type
- Granular repellent
- Active ingredient
- Natural fox urine
- Coverage
- 1 lb covers 250 sq ft
Shake-Away uses the scent of natural fox urine to trigger a fear response in groundhogs. Groundhogs recognize this as a predator signal and avoid treated areas.
Best Electronic: 8-Pack Solar Ultrasonic Mole Repellent Stakes
Best Electronic- Type
- Solar ultrasonic stakes
- Coverage
- 7,500 sq ft per stake
This 8-pack of solar-powered ultrasonic stakes drives burrowing pests out of lawns and gardens. Each stake is waterproof, needs no wiring, and runs on a rechargeable solar battery, emitting sound pulses that groundhogs, moles, and gophers find unpleasant.
What to Look for in a Groundhog Repellent
Not all repellents are created equal when it comes to groundhogs. These large rodents require concentrated active ingredients to override their strong feeding drive. Look for products with proven active ingredients like putrescent egg solids, capsaicin, or predator urine.
Weather resistance is critical for outdoor repellents. The best products include rain-fast formulations that withstand multiple downpours without reapplication. Granular repellents often last longer than sprays in wet conditions.
Rotate between different repellent types (scent, taste, and motion) to prevent groundhogs from becoming accustomed to any single deterrent method.
How to Apply Groundhog Repellents Correctly
Apply granular repellents around the perimeter of your garden, near burrow entrances, and along groundhog travel paths. Create a continuous barrier for best results. Reapply according to package instructions.
For spray repellents, apply during dry weather and allow 24 hours to dry before rain is expected. Focus on vegetation that groundhogs are eating and around the base of plants they target most.
Repellents work best as a preventive measure or for mild infestations. Heavy groundhog activity often requires trapping combined with repellent use for complete removal.
Frequently Asked Questions
Yes, but effectiveness varies by product and infestation severity. Scent-based repellents work best for prevention, while motion-activated devices are more effective for active groundhog problems. Combining multiple methods yields the best results.
Granular repellents typically last 30 to 60 days between applications. Spray repellents need reapplication every 7 to 30 days depending on rainfall and the specific product. Check product labels for exact timing.
Most commercial groundhog repellents use natural or food-grade ingredients that are safe for pets when used as directed. Always read labels carefully and keep pets away during application until the product dries.
Groundhogs strongly dislike predator urine scents (fox, coyote), garlic, capsaicin (pepper), and putrescent egg solids. Peppermint oil and ammonia are also effective deterrent smells for groundhogs.
Homemade repellents using garlic, hot pepper, and water can provide temporary relief. However, commercial products offer longer-lasting protection through rain-resistant formulations and concentrated active ingredients.
