Published on Sunday, May 6, 2012 by Kathy McCabe Many spring events in Italy mark the arrival of the season's flowers and colorful plants. The medieval village of Castel di Fiori  in Umbria holds a particularly colorful celebration each June, Archeoflora.   The event, to be held this year on June 2 and 3, brings nature and art lovers together for a celebration of flowers, plants and garden furnishing in this hi...