Experience a "Gem in the Tri-Cities" that is free and open to the public daily from dawn till dusk. Take a stroll through our beautiful 2 acre garden located at 1620 S. Union St. Kennewick WA. Enjoy 26 themed gardens all lovingly built and maintained by WSU Master Gardener Volunteers. Enjoy our Formal Rose Garden with over 400 varieties of Roses, 12 arbors for climbing roses, and a special "Rosie the Riveter Memorial Rose Garden." Check out the AGRS Test Rose Garden, one of only 2 in the Northwest Region, that hosts over 100 new varieties of roses for testing each year.