Butterfly Garden Plant Sale 05/23/2018 @ 9:00am - 05/26/2018 @ 5:00pm May 23 - 26 2018 Butterfly Garden Plant Sale 05/23/2018 @ 9:00am - 05/26/2018 @ 5:00pm Please note you are looking at an event that has already happened. Library Branch: Evergreen Park Public Library Event Details: Bob Erlich, curator of the Evergreen Park Public Library's garden and monarch waystation, offers plants from his home garden: common and tropical milkweed, bee-lovin' perennials, vegetable plants, and more for sale in the lobby.