The slow food movement (with its hundreds of thousands of members and supporters) has changed our relationship with the foods in our lives. Now the slow flower movement is changing the way we think about cut flowers: Yes, we'd all prefer fresh, fragrant flowers in our bouquets, not the chemical-laden lifeless blooms flown in from afar – but what to do in those seasons when not much is growing locally? Acclaimed garden writer Debra Prinzing challenged herself to create a beautiful,...