This 200-acre garden, which is owned and operated by fifth generation Oregonians, has been world-famous for its irises since 1928. There are over 1,000 varieties with vibrant hues of blue, yellow, purple, pink, orange and the color list goes on. Acres of display gardens are open to the public free of charge mid-May through mid-June, and its Peak Bloom Festival is May 13 through June 1. The annual celebration features local wine tasting and live weekend entertainment. 11553 Silverton Road N.E., Silverton.