6 Repellent Plants That Keep Rats and Mice Away From Your Home

Cynoglossum officinale (Rat Dog): As its nickname suggests, this plant is a natural rodent repellent. Spread cooked twigs or plant them around your property to keep rodents away. Be careful though, as it is also toxic to humans.

Use biodiversity to control rodents:
Promoting natural predators such as cats can also help control rodent populations. Remember that a diverse ecosystem is often the best protection against pests.