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Operation Pumpkin

Pumpkin festivals in Ohio are a fall favorite! Hamilton, Ohio's Operation Pumpkin is in early October every year to celebrate the most popular produce of the season: the pumpkin!

This fantastic family festival features a big list of fun entertainment activities including a giant pumpkin weight-off, artistic painted pumpkins, a regatta race and so much more!

Between activities, browse the local vendor booths for handmade crafts, pottery, bath and body items, jewelry and baked goods made by local and regional artisans or enjoy live entertainment provided by popular local bands.

Check out this news spot from local news channel WCPO on Operation Pumpkin:


Hamilton Operation Pumpkin originated as a program founded by Jim Grimm, a Hamilton visionary who developed the program in the 1950s for school aged children. Grimm was responsible for the creation of the citywide parks program and an advocate for healthy living who also established a physical education program in local schools.

Operation Pumpkin began as a safe way for children to celebrate Halloween. Local businesses generously donated toys ranging from bicycles to televisions. The event lasted from the early 50s into the early 70s.

Today's Hamilton Operation Pumpkin serves as a living legacy of Jim Grimm and as a community event for all ages where families can enjoy spending time together in a safe environment.

For more information about Operation Pumpkin, visit the website at

For more information about upcoming events in Butler County, visit our events calendar.