Lynne Gilbert/Moment/Getty Images
For example, big pumpkins need a lot of water to grow.
Plants that grow fruit with tougher cell walls can withstand higher volumes of water traveling through tissues — so picking a varietal with that trait can help.
As with all plants, the leaves kickstart the process of photosynthesis — turning sunlight into sugars.
But a giant pumpkin doesn’t necessarily make more sugars than its smaller cousins.