Green Days is an annual community celebration held in Johnston, Iowa, at Terra Park. Green Days 2022 activities include Jammin’ in Johnston a Business Expo, the parade, carnival, live entertainment in the beverage garden. Green Days is organized by the Johnston Chamber of Commerce.
June 16th, Thursday - 5 - 10 p.m.; June 17th, Friday - 5 pm - 12 am
June 18th, Saturday- 5 pm - 12 am; June 19th, Sunday 1 - 5 pm