15 Biggest Backyard Behemoths is a one-hour countdown that highlights oversized vegetables, flowers and fruits from some of the countries most dedicated and obsessed gardeners. From twenty-five pound cauliflower to twelve hundred pound pumpkins, from sixteen-inch sunflower heads to eighty-six inch gourds, learn the secrets to growing garden giants in your own backyard from 15 award-winning or award-deserving gardeners during this fast-paced special!