Remove food sources such as pet food, fallen fruit, and garden produce
Keep grass trimmed and clear brush, weeds, and debris
Install fencing at least 3 feet high and bury it 12 to 18 inches underground with an outward bend at the top
Seal openings under sheds, decks, and porches
Use motion-activated sprinklers or lights
Block burrow entrances only after confirming the burrow is empty
Trap groundhogs only where legal and follow local regulations
Contact a licensed wildlife control professional
Use repellents labeled for groundhogs according to the product instructions
Protect gardens with wire mesh or hardware cloth barriers