Unheralded

DARREL KOEHLER: The Prairie Gardener — Macy’s Flower Show

Can you think of a better way to get a jump on spring than going to a flower show? Macy’s 2015 Flower Show, which opened March 22 and ended Sunday at its downtown Minneapolis department store, has been around since the 1960s and, perhaps, even longer. It is the tops in the Midwest. (Macy’s also has flower shows at its …