A. Avoid the eggshells in your compost, but coffee grounds, fruit peels and other leafy material will not attract rodents.

Do coffee ground repel rats?

Used coffee grounds are unlikely to repel rats, but rats don’t want to eat them, and they get the compost cooking quickly. If you’ve got rats or other critters visiting your compost, adding hefty doses of chili pepper flakes, also available in bulk, will usually get them moving elsewhere.

Do rats hate the smell of coffee?

Use coffee powder to match the strong smell of mice

Similarly, black coffee powder has a sharp aroma disliked by mice. Hence, it will avoid areas that smell like coffee powder.

Rats have a powerful sense of smell. You can repel rats from your home and garden with scents they dislike, such as clover, garlic, onion, hot peppers containing capsaicin, house ammonia, used coffee grounds, peppermint, eucalyptus, predator (cat) scent, white vinegar, and citronella oil.