Sept. 18-Oct. 31 Included with gate admission; free for members, $15 for non-members ages 16 and… The popular Scarecrows in the Gardens adds a festive note to the Minnesota Landscape Arboretum’s autumn displays on the Dahlberg Terrace and Scarecrow Hill. Check out the artistry of the experts from Bachman’s, as well as Arboretum staff.