<![CDATA[ The 26th season of the Yerba Buena Gardens Festival opens Saturday, May 9, 2026, with Hermán Olivera y Orquesta Taíno kicking off a summer-long run of free outdoor music, theater, circus, dance, poetry, and children’s programs. Where: Yerba Buena Gardens (Main). Cost: Free Source: Yerba Buena Gardens Festival / SF Travel. ]]> Free outdoor festival opens its 26th season at Yerba Buena Gardens, Saturday May 9.