Agrostemma Githago To purchase Agrostemma Githago and other homeopathic remedies online, please click the button above. Remedy info unavailable. Agrostemma Githago is available to buy through our online shop from WHP in USA, Boiron in USA, Boiron in Canada, by clicking the red 'View Purchase Options' button.. Adding this remedy to your basket will empty all other items, as all items have to be from one supplier. Alternative names, keywords, and common mis-spellings Corn-cockle