Loading view. There were no results found. There were no results found. Events Demonstration Garden at the Mid-Columbia Library Kennewick Branch Demonstration Garden at the Mid-Columbia Library Kennewick Branch 1620 South Union Street, Kennewick, WA 99338, USA Kennewick, WA 99338 United States Get Directions 509-735-3551 United States Today Now onwards Now onwards Select date. Hide Recurring Events Previous Events Today Next Events Export Events