Hours available April through October only. New Community Service volunteers are only accepted April through September. Those looking to perform community service (court-ordered, school requirement, or other required service) should follow the standard application procedures. Dependent on the type of required service, there may be limits placed on where, when, and if you can perform your service at Red Butte Garden. A minimum of 20 hours is required of all volunteers. Volunteer benefits do not apply to community service volunteers.