Squirrels hate the aroma of mint, so plant mint (which grows easily) around gardens and trees that squirrels like to frequent.

What do ground squirrels hate?

White pepper and cayenne smells frequently discourage squirrels, for example. If you sprinkle your plants with flakes of cayenne pepper, it might keep unwelcome pests out of your garden. Squirrels also dislike garlic and black pepper smells. Raccoons share this aversion to the smell of pepper.

Does mint keep ground squirrels away?

The strong smell of mint discourages the squirrels from intruding into your garden or home. Place a few pots with the fresh mint plant to deter them naturally.