Green Days is an annual community celebration held in Johnston, Iowa, at Terra Park. Green Days 2025 activities include Jammin’ in Johnston a Business Expo, parade, kids' activities & live entertainment in the beverage garden!
Green Days is organized by the Johnston Chamber of Commerce.
Please come and join us for the celebration, June 19th-21st 2025!
FREE ADMISSION!
Who will be this year's King & Queen of Green?
Nominate someone today!
Want to Help? Volunteers are needed at Green Days!
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