April is Native Plant Month.The following events explore the beauty of spring in northwest Ohio and southeast Michigan. Most programs are free and some require registration.•On Tuesdays in April, the Wood County Park District (WCPD) will host spring Wildflower Walks, from 6:30 to 7:45 p.m. Walks are planned for April 21 at Sawyer Quarry and April 28 at Bradner Preserve. Woodland...