Free guided tours of the Arboretum take place Saturdays at 10:30 am and 1:30 pm from May through October. Tours begin at the Visitors Center. No reservations are required and tours are on a first-come, first-served basis for individuals who would like to learn more about the current season's highlights. Limit of 15 people per tour. Anyone under the age of 12 must be accompanied by an adult. No groups. Tours last approximately 30-45 minutes.