BLANCHARDVILLE - The Green County Master Gardeners will be holding its monthly tour at 6:30 p.m. Thursday at the Barham Gardens-Aronia Berry Farm, 275 County K. This month's host will be Kim and Roberta Barham of the Barham Gardens-Aronia Berry Farm. Kim and Roberta manage a small homestead farm specializing in Certified Organic berries. The tour will focus on the Aronia Berry, known as the "Super Berry."