They love slugs and snails. They are active most of the day but rarely seen in the heat of the day and find somewhere to hide for this period. Although they eat worms, they are still a gardeners friend. Mating occurs in early spring or fall depending on species. Females have up to 40 live babies at one time.
Most garter snakes hibernate during the winter.
The hibernators band together in large groups and emerge again in the spring. All of these snakes eat slugs, snails, small insects, small frogs, toads, worms, leeches, mosquito larvae and small fishes. The snakes in turn are eaten by birds, wild dogs, cats and occasionally rodents. Away according to label directions to repel snakes in areas where snakes frequent. Clean up all debreis and seal up all holes that snakes are able use for shelter in the affected area.