52 NATIVE PLANTS AVAILABLE – Ordering is open for the Irons Oaks Native Plant Sale. Fifty-two native plants are available, including flowers, grasses and trees. See images and place your order at the Irons Oaks website. Orders are due May 5. Pick-up is 9 a.m. to noon on May 20. 

ROLLER DERBY BOUT DOWNTOWN – See a live roller derby bout presented by Chicago Knockouts Roller Derby, 8 p.m. Saturday at Homewood Auditorium. The Horrific Haunters take on the Retro Rumblers. Doors open at 7:15 p.m. Tickets are $15 in advance or at the door.