Get Involved Become a Sponsor or Vendor Lend A Hand Become a Volunteer Support The Fest Purchase a Window Decal Third Annual Snoqualmie Valley Sunflower Festival Aug 15 - Sept 15, 2026 Sunflower Saturday Aug 29 • Duvall, WA Sunflower Saturday Sept 12 • Carnation, WA Each summer, the Snoqualmie Valley bursts into bloom with a celebration of agriculture, art, and community. In 2026, we invite you to Grow Together and Deepen Roots as we