Rhubarb Days
June 20 – 21, 2026
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Come celebrate rhubarb in the rhubarb pie capital of the world!
Rhubarb Days returns June 20-21, 2026, for another unforgettable weekend in downtown Sumner.
Rhubarb Days brings together all the best things you love about a street fair & festival – 200+ vendors, more than a dozen food trucks, two live music stages, and a kids zone – but with plenty of rhubarb pie & crisp, freshly-cut rhubarb, and even rhubarb-infused craft beer.
Rhubarb Days is presented by Knutson Farms, and powered by Sumner Main Street Association in partnership with City of Sumner.
Something for everyone
Experience the ultimate summer celebration in charming, historic downtown Sumner! There’s truly something for everyone at Rhubarb Days:
Shopping
Browse a wide array of handcrafted and highly curated goods from local vendors and our own brick-and-mortar shops.
Live Music
Two live music stages will get you moving!
Eating
You’ll find rhubarb pie and other treats plus a lot more to savor and sample from a wide variety of food trucks & vendors.
Kids Zone
Kids will find fun activities and family-friendly vendors at the Kids Zone.
Charming, historic, downtown Sumner, Washington.
Located 33 miles south of Seattle, Sumner’s historic downtown is full of charm, with a walkable Main Street and friendly people.
Sumner Main Street Association
923 Kincaid Ave, Sumner, Washington
Vendors
Vendor applications for 2026 have closed.
Sponsorship
Meet our sponsors for Rhubarb Days 2026 and learn more about 2027 sponsorships.
