University of Maine Cooperative Extension is hosting a presentation and roundtable discussion focused on the growing and marketing practices for specialty potato varieties from 4-6 p.m. on Jan. 22 at the UMaine Extension office, 922 Waterville Road, Waldo.  The event will feature a presentation by Brett Johnson, UMaine Extension sustainable agriculture and farm business management read more UMaine Extension hosts presentation and roundtable on specialty potato varieties on Jan. 22