Lavender oil is an effective repellent for rodents, such as mice and rats

Do rats eat lavender?

Plants known to deter rats, mice, and rodents include: Lavender (Lavandula) Onions (Allium sepa) Grape Hyacinth (Muscari asparagaceae) Garlic (Allium sativum)

What smells do mice and rats hate?

Mice have a very keen sense of smell that is much stronger than what humans experience. You can use this trait to repel mice and use scents that mice hate like cinnamon, vinegar, dryer sheets, clove oil, peppermint, tea bags, mint toothpaste, ammonia, cloves, clove oil, and cayenne pepper.