There are natural ways to keep woodchucks away from a garden and its growing vegetables, fruits, and flowers. These solutions don’t cause any harm to a woodchuck.
Human hair clippings have been known to discourage woodchucks from entering a garden. They don’t like the scent of humans on the hair. A bag of hair clippings gathered from a recent haircut can be a deterrent to these small animals.
Sprinkle Epsom salts around your plants in the garden. Woodchucks don’t like the taste of this salt.
Sprinkle cayenne pepper around your garden. This is likely to discourage woodchucks from visiting your garden because they don’t like the scent of this spice.