To become a Tree City U.S.A., a community must meet four standards:
- Establish a tree board or department
- Maintain a community tree care ordinance
- Create a comprehensive community forestry program with an annual budget of at least $2 per capita
- Participate in Arbor Day observance and proclamation
Communities must reapply for certification annually. Indianola is proud to have been awarded the Tree City U.S.A. designation each year since 1994.