How Does It Grow

One of the world’s most ubiquitous fruits might seem like a simple thing to grow. But inside the common apple is a secret — and it's been challenging apple growers since Ancient Greece.

Find out how penguin poop and ladybugs are employed to grow five million heads of cauliflower each year at one of America's largest organic farms. Also, the labor-intensive trick farmers have to pull to keep our cauliflower white. Because if it's not white, we won't buy it.

Mushrooms have suffered from a case of mistaken identity. Is it a plant, or even a vegetable? We find answers inside the underground houses where farmers grow this mysterious food.

Most of us have only ever eaten cranberries as juice or that jiggly sauce we extract from a can at holiday time. But long before they're processed into these foods, fresh cranberries take special work to grow and harvest. Go underwater and high overhead to learn all about this native American fruit.