Never heard of aronia berries? You’re probably not the only one, but they’re making a comeback in Iowa in a big way.

Andrew Pittz is a sixth-generation farmer and “farmer-in-chief” at Sawmill Hollow Farm near Magnolia, Iowa, along the Missouri River. He might not seem like the person to bring this native Iowa berry back from extinction; after all, he lives at the fork of a dirt road north of Missouri Valley, an area so ...