Johns Creek Community. Volunteers (18 years and older) are needed for the Tour While enjoying the beautiful blooms of spring, consider supporting your community by signing up here: Volunteer for the Secret Garden Tour - Johns Creek Beautification, Inc.   A variety of positions and times are available.  BEST OF ALL you get to a free pass (value $35) to visit all the gardens and Autrey Mill Nature Preserve before and/or after your shift.  The event is Rain or Shine.