It was in Meaux that Fiachra built an oratory to the Blessed Mother, a hospice in which he could receive pilgrims, a cell for his own living and a gardento grow his helaing herbs. Fiachra lived a holy life of mortification, prayer, fasting and manual labor in the garden. There were many miracles attributed to his touch. Most noted among the cures was a tumour that has since been called "le fic de S. Fiacre". His garden was a place of pilgrimage for many seeking healing.
St. Fiachra is the patron saint of gardeners and cab drivers.
Key Sources: http://saints.sqpn.com/saint-fiacre/; http://www.newadvent.org/cathen/06067a.htm