Memories of Rhubarb Days Events Enjoy pictures from the wonderful 2017 Rhubarb Days festival. Big thank you to Sumner Downtown Promotion Association for coordinating such a fun event for the entire community. Share this: Click to print (Opens in new window) Print Click to share on X (Opens in new window) X More Click to share on Facebook (Opens in new window) Facebook Click to share on Pinterest (Opens in new window) Pinterest