JPMorgan CEO Jamie Dimon (left) and 1-800-Flowers CEO and cofounder Jim McCann
JPMorgan CEO Jamie Dimon (left) and 1-800-Flowers CEO and cofounder Jim McCann.
  • 1-800-Flowers CEO and cofounder Jim McCann says he got the best piece of business advice from JPMorgan's Jamie Dimon.
  • "You spend too much energy and time trying to get everybody in the organization to get it," Dimon told him, per McCann.
  • 1-800-Flowers began as a single New York flower shop before evolving into a $3 billion company.

The boss of flower and gifts company 1-800-Flowers said JPMorgan's Jamie Dimon gave him the best business advice — that he didn't need his employees' buy-in while making decisions.