Open day of the Downtown Alpharetta Farmers Market March 30, 2015 By Jennifer deGraan Calendar Click to view map When: April 18, 2015 @ 8:30 am – 2:00 pm 2015-04-18T08:30:00-04:00 2015-04-18T14:00:00-04:00 Where: Downtown Alpharetta Farmers Market Old Canton Street Alpharetta, GA 30009 USA The opening day of the Alpharetta Farmers market is in conjunction with the Alpharetta Artfest. The hours are longer than the regular season.