The Best How To Keep A Cat Out Of Your Vegetable Garden Ideas. You can just put wet coffee grounds. Make sure to reinforce the fence by digging trenches and stapling.

Peppermint essence is also a good deterrent not only against cats but also mice. You can save your own scraps to sprinkle around the perimeter of your yard—or you can use premade citrus sprays. One way is to put up a fence.