All invited to learn about and practice this Japanese style of flower arranging. Floral materials provided, bring your own container and tools. 1–2:30 p.m., U-M Matthaei Botanical Gardens, 1800 N. Dixboro Rd. $20. Space limited; preregistration required at a2ikebana@gmail.com. Metered parking. More info at ikebanaannarbor.org.