Plant Sale on Saturday & Sunday, May 9 & 10 and May 16 & 17 from 10:00 a.m. to 3:00 p.m. at Chippewa Greenhouse. Entrance is off Kinawa Drive with parking available near Okemos Senior Center/Auditorium. Come out and get your garden starts while supporting PCO students’ upcoming class trip to Washington, DC. And learn more about how you can help save the greenhouse learning space as the plans for the new middle school complex are finalized.