Mary Arden’s Farm, near Stratford-upon-Avon, will open its doors to the public for a Community Day on Saturday, 15 August, giving visitors a rare chance to explore the historic site. Saturday’s event is the second of two Community Days held this summer, following an earlier date on 18 July. Mary Arden’s Farm is opening its gates to visitors this summer. Mary Arden’s Farm is opening its gates to visitors this summer. As Mary Arden’s Farm remains a working farm, visitors are asked to eat only in designated areas and not to bring their own picnic equipment.