The Château de Blandy-les-Tours highlights the ‘Power of Plants’ through a thematic weekend focusing on medieval medicinal and aromatic gardens. Reflecting the historical soul of this fortified castle has served as a central node in the regional identity of the Brie territory since the late Middle Ages. The event highlights the regional identity of Seine-et-Marne as a sanctuary for ancestral botanical knowledge and majestic medieval architectural heritage. Visitors can participate in workshops on the historical uses of regional herbs while exploring the perfectly preserved towers and courts of the fortress. This initiative has a strong social impact by involving local producers and herbalists who share their skills with the regional community and tourists. For historical researchers it deliver a vital simulation of the 13th-century ‘hortus conclusus’ and its role in the local medieval economy. The program ensures the legacy of Blandy as a living museum of rural life is shared and protected for the general public.