Rosemary O. Arhart, age 84, of Winthrop, Minnesota, wife of the late Dallas Arhart and mother of Tony Arhart and Sharilee Arhart-Ackerman, passed away Monday, June 29, 2020, at her home. Funeral service will be Friday, July 10, 2020, at 11:00 A.M. at Zion Evangelical Lutheran Church in Winthrop with interment at the Winthrop Cemetery. Visitation will be at the church on Thursday, July 9, 2020, from 5:00 – 8:00 P.M. and on Friday, July 10, 2020, one hour prior to the service. Memorials are preferred to the Rosie Arhart Conservation Easement Project. The Rosie Arhart Conservation Easement Project is to maintain and manage her restore wetland and prairie habitats in Sibley County. Arrangements are with the Dalin-Hantge Funeral Chapel of Winthrop.