Ferris Jabr, writing for Scientific American:
In an episode of Matt Groening’s animated science fiction sitcom Futurama, Leela offers her friend Fry an unusual housewarming gift: a bonsai tree sprouting tiny bananas, melons and plums. “It’s a miniature fruit salad tree,” she explains.
Here’s the thing: fruit salad trees are real.
Grafting isn’t just for making fruit salad, either. We do it all the time with bonsai, adding branches where there were none to achieve a certain aesthetic. Here’s another fun bonsai trick: air layering.