Jul 01, 2022 · This makes outdoor spaces more welcoming for birds, butterflies, bees, and other wildlife. Since the program began in summer 2020, Hillsboro has: Enrolled and conducted site visits for 72 Hillsboro residents (20 acres total) Certified 21 sites (6 acres) Added more than 1,300 native trees, shrubs, or ground cover plants at the certified sites in