Oak Park’s favorite spring street festival, What's Blooming on Harrison, is returning to the Oak Park Arts District on Saturday, May 30th, 2026 from 11 a.m. to 7 p.m. The event will span Harrison Street from Humphrey Avenue to Ridgeland Ave. The Craft Beer Garden and Main Stage will keep rocking until 9 p.m.

Started in 1999, the festival includes 175 vendor booths including artists, makers, craftspeople, local business and non-profit booths, food vendors, a HUGE children's carnival, a craft beer garden from Babygold BBQ/Fitzgeralds and a wine garden from Anfora Wine Merchants, two music stages including the OPAC Jazz Festival Stage and the Oak Park Bank Stage and over five thousand spectators.