A half century ago, Horace Hagedorn and his business partners sowed the seeds of a water-soluble plant food that would make gardens grow big and healthy — a product now known as Miracle-Gro. The ...

Jim Hagedorn isn’t a shrinking violet. He is small in stature, though. Both points are immediately evident when the first thing Hagedorn says to me is, “Oh, good, another short guy. Do you like being ...