Some wild plants are toxic and often medicinal. Resorb bruises, heal wounds, stop bleeding, relieve headaches or stomach. Come and discover the proven or fantasized properties of some of our most common plants. Appointment: 14h – In front of the Relais Nature du Parc de la Deûle – 20, chemin du Halage in Santes Duration: 2h Contact: Conservatoire Botanique National de Bailleul at 03 28 49 00 83