Natural Cat Repellent Coffee Grounds. When you smell coffee brewing, it is quite likely that you will experience a good mood and feel happy. Coffee has strong natural scents that only get stronger after being ground up and exposed to hot water.
I'm not sure if it will deter cats, but coffee grounds (within reason) is definitely good for the soil. What can i use to repel cats? Just don't over do it as coffee grounds will raise the acidity of the soil.
Natural repellent products need to be reapplied in order to keep working properly
A colleague of mine swears by. Just don't over do it as coffee grounds will raise the acidity of the soil. Using coffee grounds in the home. Australia, zone 4 (us zone 9b) 2 points ยท 2 years ago.