Sugar City residents will continue an annual Arbor Day tradition of planting trees on May 8. | EastIdahoNews.com file photo SUGAR CITY — A community tradition is returning to Sugar City this spring and organizers are inviting residents of all ages to dig in —literally. Sugar City will host its annual Arbor Day celebration on Friday, May 8, at 10 a.m. at Triangle Park, located at the corner of North Front Street and West First North. This year’s …