How to Humanely Get Rid of Groundhogs Predator Urine. Cats are natural groundhog predators. Gardeners have had the most success using cat-urine-soaked kitty litter as a groundhog repellent.

Groundhogs can easily be mistaken for other similar rodents, such as gophers, voles, and moles (if moles are the primary culprits, the best mole repellents may get rid of them). The rodents ...

Repellents: Home remedies abound and may provide short-term deterrence, but OSU Extension says that no repellant has been proven effective, noting that groundhogs will “push through an ...