These snakes begin mating in the spring as soon as they emerge from hibernation. The males leave the den first and wait for the females to exit. Once the females leave the den the males surround them. The males give off pheromones that attract the females.

Do garter snakes mate in the fall?

Baby garter snakes are independent at birth and must find food on their own. Garter snakes may also mate in the fall, when groups of garter snakes come to together in a communal hibernation spot. ... Like other cold-blooded animals, common garter snakes use thermoregulation to control their body temperature.

What time of day do garter snakes come out?

When not hibernating, look for snakes to live in dark, secluded areas during the evening and out in the sun during the day. During hibernation, garter snakes occupy large, communal sites called hibernacula. These areas will likely be secluded spots that stay relatively warm during the cold winter months.