The main reason coffee grounds repel cats is mainly because they do not such as the smell. Actually they think it is repulsive. So by sprinkling grounds around a garden you can keep both stray and pet cats away. Grounds really are a well-known and efficient deterrent that will work for almost all cats.
Hereof, do used coffee grounds deter cats?
Repel cats with citrus or coffee grounds Cats can’t stand the odor of citrus fruits, for example oranges and lemons. Another home