The Johnny Appleseed Metropolitan Park District will celebrate Arbor Day at 11 a.m., Friday, April 26, at the Motter Metro Park, 10740 Bluffton Columbus Grove Road, Bluffton.

A pair of White Oak trees will be planted to honor Bob and Joanne Antibus. Bob is a professor of biology at Bluffton University and has been a park commissioner for 20 years. Joanne, a former biology teacher at Bluffton High School, is a faithful volunteer for the park district.

The public is invited to attend.