Walk with Forest Park author and biologist Marcy (Cottrell) Houle (ONE CITY'S WILDERNESS) through the Hoyt Arboretum. Marcy will talk about the history of Hoyt Arboretum and the surrounding natural areas. Learn about native and guest ground nesting birds and plants, as well as the invasive plants and habits that threaten it. This is an easy walk on a well maintained trail. Rain and foot gear required. Hot cider served.