Vertical Vegetable and Herbs Garden - For the millions of people who don’t have access to the type of land it takes to grow a bountiful vegetable crop, this gives you a chance to sprout organic produce in a small space.
How to make a Sub-Irrigated Planter. I'm not sure I would use a two liter plastic bottle though. Over time I would fear the plastic breaking down enough to poison the plant. Perhaps a wine bottle instead.