Festival of the Flowers at Pioneer Courthouse Square has always been one of Portland’s most renowned festivals in the heart of downtown. Each year, the square works with local artists or design firms to create a masterpiece of vibrant colors utilizing nearly 20,000 flowers and plant material. This year the design Doughnut Trip, comes from PLACE Studio and celebrates Portland’s Coffee and Doughnuts: Two Portland Classics. All MAX lines converge at the square as well as several bus lines. Festival runs from June 1st through the 12th.