The St. Louis Audubon Society and Wild Ones St. Louis Chapter are once again partnering to present the annual St. Louis Native Plant Garden Tour on Sunday, May 17, 2026 from 9am to 4pm. Featuring nine gardens selected for their variety of styles and maturity, this year's tour is focused in Olivette and Ladue. In addition, Missouri Wildflower Nursery will have native plants for sale at the tour info stop at Five Oaks on Warson, 1200 N. Warson Rd., Olivette, MO 63132.