Spring and Chipmunks

I am very happy spring is here and I can enjoy the warm weather and the plants and flowers in my garden. Recently I put my potted plants outside on my front porch, like I do every year. Suddenly this year the chipmunk who lives in the back of my house under the A/C unit is digging in my geranium.

Normally, I like the chipmunk. He will run across the back patio and almost seems to taunt my indoor cat. It is fun to see the cat try to "attack" him through the sliding glass door.

This is the first year he has started to dig in my plants. Does anyone have any suggestions on how to keep him from my potted plants? I don't want to kill him, and I don't want to trap and relocate him. I just want him to stop digging in my plants.