Hardman Farm State Historic Site Is Open Posted by Bonnie Dyer | Sep 1, 2020 | Calendar | 0 | Hardman Farm State Historic Site is now open seven days a week from 10 AM until 4 PM. The farm is offering Mansion Tours Thursday, Friday and Saturday. Self-Guided tours are offered every day just call 706-878-1077 for more information. Views: 4,285