Bonide's Mole Max is a mole and vole repellent. It's all-natural and made of castor oil and lasts up to 3 months after application. Molemax repels moles and voles and protects bulbs and plant roots. Molemax also repels skunks, rabbits, ground squirrels, and other burrowing animals. Molemax may be applied in lawns and gardens.