Do broad bean seeds grow up or down? Why do broad bean plants have flowers? How are new beans made? Explaining concepts through stunning photographs and simple text, Life Cycle of a Broad Bean takes an in-depth look at this familiar but fascinating plant.Do broad bean seeds grow up or down? Why do broad bean plants have flowers? How are new beans made? Explaining concepts through stunning photographs and simple text, Life Cycle of a Broad Bean takes an in-depth look at this familiar but fascinating plant.