Jackfruits grow on the branches and trunks of tall trees. You don't wait to harvest until they drop of their own accord — by that time, they'd be overripe. iStockphoto hide caption toggle caption iStockphoto The Salt Here's The Scoop On Jackfruit, A Ginormous Fruit To Feed The World May 1, 2014 It's the largest tree fruit in the world. It's nutritious. And because it's pretty easy to grow, it has the potential to be a star in the developing world. But ... does it taste good?