(Dahlia, IN-50-17) N. of Plymouth, North Township, Marshall County, IN. Michigan Rd. N. 3.7 miles from jct with US30 on the N. side of Plymouth to the quilt on the E. side of the road at 4276. Whiteman-Cook Greenhouses. (N41 24.937 W86 18.835) Photos by Jack & June Schmidt 5-12-14.