Plymouth, N.H. – PSU’s annual Arbor Day celebration on April 25 culminated with the planting of a Rose-of-Sharon “Red Heart” next to the Hartman Union Building. The University’s Director of Environmental Sustainability, Brian Eisenhauer was assisted by a group of preschoolers from PSU’s Center for Young Children and Families in planting the tree. The ceremony marks the 18th year PSU has celebrated Arbor Day with a tree planting; in addition to beautifying campus, it serves as one of the institution’s tangible commitments to environmental sustainability. This year’s commemorative tree, a beautiful Hibiscus syriacus, is a species of flowering plant reaching up to 13 feet in height, bearing large trumpet-shaped reddish flowers. It is native to Asia and is the state flower of Hawaii.