Upside down tomato plant in plastic bottle..
Tomatoes are a sweet and delicious fruit from a very tolerant plant. Tomato plants are so popular to grow because they're easy and homegrown tomatoes always taste best. As a vine, they're also good for the gardener who has very little space. This article will tell you how to grow tomatoes hanging from the ceiling, although it could be adapted to suit a hanging basket, too..
See steps at: http://www.wikihow.com/Grow-Tomatoes-Upside-Down