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12/31/2012 03:21 pm ET Updated Apr 18, 2013

One Plant That Grows Both Tomatoes And Potatoes Trending On Reddit

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Tomatoes and potatoes seem like quite different plants -- one is a fruit and the other a starch. So how similar can they be? Well, they actually both belong to the same family of plants called nightshades. The commonality that associates them is that they (like all other nightshade plants) contain compounds called alkaloids, which these plants naturally produce to protect themselves from insects.

And because of this relationship, it's actually possible to grow tomatoes and potatoes as one plant. We learned from a Reddit post that by grafting a tomato plant stem onto a potato stalk, you can successfully grow them right on top of each other, with the fruit above ground and the starch directly below. Who knew?

This vertical setup is pretty strange, but it really seems like an awesome way to save precious space in your garden.

To check out the step-by-step instructions, head over to eHow.

CORRECTION: A previous version of this story mistakenly referred to tomatoes as vegetables. A tomato is in fact a fruit.

If you want to see other weird fruits (from around the world), be sure to check out our slideshow below.

PHOTO GALLERIES
Tropical Fruit World Tour

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